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1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

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1.3 – Properties of Real Numbers. 1.3 – Properties of Real Numbers. Real Numbers. 1.3 – Properties of Real Numbers. Real Numbers (R). 1.3 – Properties of Real Numbers. Real Numbers (R). 1.3 – Properties of Real Numbers. Real Numbers (R) Rational. 1.3 – Properties of Real Numbers. - PowerPoint PPT Presentation

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Page 1: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Page 2: 1.3 – Properties of Real Numbers

Real Numbers

1.3 – Properties of Real Numbers

Page 3: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

Page 4: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

Page 5: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

Rational

Page 6: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

Rational (⅓)

Page 7: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

(Q) Rational (⅓)

Page 8: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

(Q) Rational (⅓)

Page 9: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

(Q) Rational (⅓)

Integers

Page 10: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

(Q) Rational (⅓)

Integers (-6)

Page 11: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

(Q) Rational (⅓)

(Z) Integers (-6)

Page 12: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

(Q) Rational (⅓)

(Z) Integers (-6)

Page 13: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

(Q) Rational (⅓)

(Z) Integers (-6)

Whole #’s

Page 14: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

(Q) Rational (⅓)

(Z) Integers (-6)

Whole #’s (0)

Page 15: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

(Q) Rational (⅓)

(Z) Integers (-6)

(W) Whole #’s (0)

Page 16: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

(Q) Rational (⅓)

(Z) Integers (-6)

(W) Whole #’s (0)

Page 17: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

(Q) Rational (⅓)

(Z) Integers (-6)

(W) Whole #’s (0)

Natural #’s

Page 18: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

(Q) Rational (⅓)

(Z) Integers (-6)

(W) Whole #’s (0)

Natural #’s (7)

Page 19: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

(Q) Rational (⅓)

(Z) Integers (-6)

(W) Whole #’s (0)

(N) Natural #’s (7)

Page 20: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

(Q) Rational (⅓)

(Z) Integers (-6)

(W) Whole #’s (0)

(N) Natural #’s (1)

Page 21: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

(Q) Rational (⅓) Irrational

(Z) Integers (-6)

(W) Whole #’s (0)

(N) Natural #’s (1)

Page 22: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

(Q) Rational (⅓) Irrational √ 5

(Z) Integers (-6)

(W) Whole #’s (0)

(N) Natural #’s (1)

Page 23: 1.3 – Properties of Real Numbers

1.3 – Properties of Real Numbers

Real Numbers (R)

(Q) Rational (⅓) (I) Irrational √ 5

(Z) Integers (-6)

(W) Whole #’s (0)

(N) Natural #’s (1)

Page 24: 1.3 – Properties of Real Numbers

Example 1

Page 25: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

Page 26: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

Page 27: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

Page 28: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

(a) √ 16

Page 29: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

(a) √ 16 = 4

Page 30: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

(a) √ 16 = 4 - N

Page 31: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

(a) √ 16 = 4 - N, W

Page 32: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

(a) √ 16 = 4 - N, W, Z

Page 33: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

(a) √ 16 = 4 - N, W, Z, Q

Page 34: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

(a) √ 16 = 4 - N, W, Z, Q, R

Page 35: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

(a) √ 16 = 4 - N, W, Z, Q, R

(b) -185

Page 36: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

(a) √ 16 = 4 - N, W, Z, Q, R

(b) -185 - Z

Page 37: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

(a) √ 16 = 4 - N, W, Z, Q, R

(b) -185 - Z, Q

Page 38: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

(a) √ 16 = 4 - N, W, Z, Q, R

(b) -185 - Z, Q, R

Page 39: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

(a) √ 16 = 4 - N, W, Z, Q, R

(b) -185 - Z, Q, R

(c) √ 20

Page 40: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

(a) √ 16 = 4 - N, W, Z, Q, R

(b) -185 - Z, Q, R

(c) √ 20 - I, R

Page 41: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

(a) √ 16 = 4 - N, W, Z, Q, R

(b) -185 - Z, Q, R

(c) √ 20 - I, R

(d) -⅞

Page 42: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

(a) √ 16 = 4 - N, W, Z, Q, R

(b) -185 - Z, Q, R

(c) √ 20 - I, R

(d) -⅞ - Q

Page 43: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

(a) √ 16 = 4 - N, W, Z, Q, R

(b) -185 - Z, Q, R

(c) √ 20 - I, R

(d) -⅞ - Q, R

Page 44: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

(a) √ 16 = 4 - N, W, Z, Q, R

(b) -185 - Z, Q, R

(c) √ 20 - I, R

(d) -⅞ - Q, R

__

(e) 0.45

Page 45: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

(a) √ 16 = 4 - N, W, Z, Q, R

(b) -185 - Z, Q, R

(c) √ 20 - I, R

(d) -⅞ - Q, R

__

(e) 0.45 - Q

Page 46: 1.3 – Properties of Real Numbers

Example 1

Name the sets of numbers to which each apply.

(a) √ 16 = 4 - N, W, Z, Q, R

(b) -185 - Z, Q, R

(c) √ 20 - I, R

(d) -⅞ - Q, R

__

(e) 0.45 - Q, R

Page 47: 1.3 – Properties of Real Numbers

Properties of Real Numbers

Property Addition Multiplication

Commutative a + b = b + a a·b = b·a

Associative (a+b)+c = a+(b+c) (a·b)·c = a·(b·c)

Identity a+0 = a = 0+a a·1 = a = 1·a

Inverse a+(-a) =0= -a+a a·1 =1= 1·a

a a

Distributive a(b+c)=ab+ac and (b+c)a=ba+ca

Page 48: 1.3 – Properties of Real Numbers

Example 2

Page 49: 1.3 – Properties of Real Numbers

Example 2

Name the property used in each equation.

Page 50: 1.3 – Properties of Real Numbers

Example 2

Name the property used in each equation.

(a) (5 + 7) + 8 = 8 + (5 + 7)

Page 51: 1.3 – Properties of Real Numbers

Example 2

Name the property used in each equation.

(a) (5 + 7) + 8 = 8 + (5 + 7)

Commutative Addition

Page 52: 1.3 – Properties of Real Numbers

Example 2

Name the property used in each equation.

(a) (5 + 7) + 8 = 8 + (5 + 7)

Commutative Addition

(b) 3(4x) = (3·4)x

Page 53: 1.3 – Properties of Real Numbers

Example 2

Name the property used in each equation.

(a) (5 + 7) + 8 = 8 + (5 + 7)

Commutative Addition

(b) 3(4x) = (3·4)x

Associative Multiplication

Page 54: 1.3 – Properties of Real Numbers

Example 3

What is the additive and multiplicative inverse for -1¾?

Page 55: 1.3 – Properties of Real Numbers

Example 3

What is the additive and multiplicative inverse for -1¾?

Additive: -1¾

Page 56: 1.3 – Properties of Real Numbers

Example 3

What is the additive and multiplicative inverse for -1¾?

Additive: -1¾ + = 0

Page 57: 1.3 – Properties of Real Numbers

Example 3

What is the additive and multiplicative inverse for -1¾?

Additive: -1¾ + 1¾ = 0

Page 58: 1.3 – Properties of Real Numbers

Example 3

What is the additive and multiplicative inverse for -1¾?

Additive: -1¾ + 1¾ = 0

Multiplicative: -1¾

Page 59: 1.3 – Properties of Real Numbers

Example 3

What is the additive and multiplicative inverse for -1¾?

Additive: -1¾ + 1¾ = 0

Multiplicative: -1¾ · = 1

Page 60: 1.3 – Properties of Real Numbers

Example 3

What is the additive and multiplicative inverse for -1¾?

Additive: -1¾ + 1¾ = 0

Multiplicative: (-1¾)(-4/7) = 1

Page 61: 1.3 – Properties of Real Numbers

1.4 – The Distributive Property

Page 62: 1.3 – Properties of Real Numbers

1.4 – The Distributive Property

a(b+c)=ab+ac and (b+c)a=ba+ca

Page 63: 1.3 – Properties of Real Numbers

Example 4

Page 64: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

Page 65: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

Page 66: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

Page 67: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)

Page 68: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+

Page 69: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+

Page 70: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+2(n)

Page 71: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+2(n)+

Page 72: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+2(n)+

Page 73: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+2(n)+3(2m)

Page 74: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+2(n)+3(2m)-

Page 75: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+2(n)+3(2m)-

Page 76: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+2(n)+3(2m)-3(4n)

Page 77: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+2(n)+3(2m)-3(4n)

10m

Page 78: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+2(n)+3(2m)-3(4n)

10m +

Page 79: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+2(n)+3(2m)-3(4n)

10m + 2n

Page 80: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+2(n)+3(2m)-3(4n)

10m + 2n +

Page 81: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+2(n)+3(2m)-3(4n)

10m + 2n + 6m

Page 82: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+2(n)+3(2m)-3(4n)

10m + 2n + 6m –

Page 83: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+2(n)+3(2m)-3(4n)

10m + 2n + 6m – 12n

Page 84: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+2(n)+3(2m)-3(4n)

10m + 2n + 6m – 12n

Page 85: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+2(n)+3(2m)-3(4n)

10m + 2n + 6m – 12n

Page 86: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+2(n)+3(2m)-3(4n)

10m + 2n + 6m – 12n

10m + 6m + 2n – 12n

Page 87: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+2(n)+3(2m)-3(4n)

10m + 2n + 6m – 12n

10m + 6m + 2n – 12n

16m

Page 88: 1.3 – Properties of Real Numbers

Example 4

Simplify 2(5m+n)+3(2m–4n).

2 (5m+n) + 3 (2m–4n)

2(5m)+2(n)+3(2m)-3(4n)

10m + 2n + 6m – 12n

10m + 6m + 2n – 12n

16m – 10n