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COMPASS Algebra Practice Test F • This practice test is 10 items long. • Record your responses on a sheet of paper. • The correct answers are on the slide after the last question. • Complete solutions follow the answer slide. • Click the mouse or use the spacebar to advance to the next question.

COMPASS Algebra Practice Test F This practice test is 10 items long. Record your responses on a sheet of paper. The correct answers are on the slide after

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COMPASS AlgebraPractice Test F

• This practice test is 10 items long.• Record your responses on a sheet of

paper. • The correct answers are on the slide

after the last question. • Complete solutions follow the

answer slide.• Click the mouse or use the spacebar

to advance to the next question.

A. Y = 4X - 7

B. Y = X - 6

C. Y = -2X + 5

D. Y = 4X + 3

E. Y = 3X + 5

F1. Which equation best describes the data in this table?

X 0 2 -2Y 5 1 9

F2 For all x, 2

2

205 ?

7x

x

A. 9

B. 3

C. 16

D. 7

E. 4

F3

A.

B.

C.

D.

E.

13 8

6

8

8 3 5 5

6

9 8

9

5 54

6

48 5 5?

3 6

F4 What is the slope of 3x + 2y = 6?

A.

B.

C.

D.

E.

3

2

3

2

3

3

2

3

2

F5 Which of these equations defines a line that is perpendicular to the line given by the equation y = 2x + 5?

A.

B.

C.

D.

E.

15

5y x

12

5y x

21

5y x

15

2y x

12

5y x

F6 In the standard (x, y ) plane, what is the distance

between and ?

A.

B.

C.

D.

E.

45

16

61

61

29

3 5, 0 6 5, 4

F7 What are the (x, y) coordinates of the point of

intersection of the lines determined by the equations

2x – 3y = 4 and y = x?

A.

B.

C.

D.

E.

4, 4

4, 4

4, 4

4, 4

2, 0

F8 If is a special operation defined by

(a b) = 3a – 2b and (6 x) = 8 then x = ?

A.

B.

C.

D.

E.

2

3

4

5

6

F9 12x2 + 11x – 36 is the product of (3x – 4) and

another polynomial. What is the other polynomial?

A.

B.

C.

D.

E.

9 4x

24x

24 9x

4 9x

4 9x

F10 416

81

A.

B.

C.

D.

E.

4

9

2

9

4

2

9

2

3

4

20.25

Answers Algebra Practice Test F

1. C2. A3. C4. E5. D

6. C7. B8. D9. E10. C

A. Y = 4X - 7

B. Y = X - 6

C. Y = -2X + 5

D. Y = 4X + 3

E. Y = 3X + 5

F1. Which equation best describes the data in this table?

X 0 2 -2Y 5 1 9

y mx b

Notice that all of the answers are in slope intercept form.

We just have to find m and b.

F1 Which equation best describes the data in this table?

Calculate the slope.

Find b.

5 1

0 2m

4

2

y mx b (0, 5)

Answer C

2

To find b, plug in a point.Use -2 for the slope.

( ) ( )( )y m x b 2 5y x 2 05

5 0 b

X 0 2 -2Y 5 1 9

b5

12

12

xx

yym

F2 For all x, 2

2

205 ?

7x

x

A. 9

B. 3

C. 16

D. 7

E. 4

2

205

7x

220 5 7x

220 5 7

5 5

x

24 7x

216 7x 7 7

29 x

22 24 7x

F3

A.

B.

C.

D.

E.

13 8

6

8

8 3 5 5

6

9 8

9

5 54

6

48 5 5?

3 6

F348 5 5

?3 6

48 5 5

3 6

Answer C

16(3) 5 5

3 6 4 3 5 5

3 6

(2)4 3 5 5

(2)3 6

8 3 5 5

6 6

8 3 5 5

6

Before addition the fractions must be rewritten with a common denominator. The LCD is 6.

F4 What is the slope of 3x + 2y = 6?

A.

B.

C.

D.

E.

3

2

3

2

3

3

2

3

2

y mx b

If we solve for y the number in front of the x is the slope.

F4 What is the slope of 3x + 2y = 6?

3 2 6x y Solve for y, then the coefficient of x is the slope.

3 3x x

2 3 6y x 2 3 6

2 2 2

y x

33

2

xy

Answer E

2

3m

F5 Which of these equations defines a line that is perpendicular to the line given by the equation y = 2x + 5?

A.

B.

C.

D.

E.

15

5y x

12

5y x

21

5y x

15

2y x

12

5y x

F5 Which of these equations defines a line that is perpendicular to the line given by the equation y = 2x + 5?

2 5y x

1

2

1m

Perpendicular

1. Identify the slope of

the line.

2. Change the sign.

3. Take the reciprocal. 2

1

2m

Answer D

F6. In the standard (x, y ) plane, what is the distance

between and ?

A.

B.

C.

D.

E.

45

16

61

61

29

3 5, 0 6 5, 4

2 2

2 1 2 1d x x y y

Use the distance formula.

F6 In the standard (x, y ) plane, what is the

distance between and ? 3 5, 0 6 5, 4

2 2

2 1 2 1d x x y y

2 2

6 5 3 5 4 0d 2 2

3 5 4

45 16 61

Answer C

)16()5(9

Use the distance formula.

F7 What are the (x, y) coordinates of the point of

intersection of the lines determined by the equations

2x – 3y = 4 and y = x?

A.

B.

C.

D.

E.

4, 4

4, 4

4, 4

4, 4

2, 0

Notice that x and y have to be the same

This eliminates choices C, D, and E.

F7 What are the (x, y) coordinates of the point of

intersection of the lines determined by the equations

2x – 3y = 4 and y = x?

2 3 4x y

y x

Solve this system by substitution.

2 3( ) 4x x

2 3 4x x 4x

4x

y x

( 4)y

( 4, 4)

Answer B

F8 If is a special operation defined by

(a b) = 3a – 2b and (6 x) = 8 then x = ?

A.

B.

C.

D.

E.

2

3

4

5

6

F8 If is a special operation defined by

(a b) = 3a – 2b and (6 x) = 8 then x = ?

( ) 3 2If a b a b (6 ) 8and x 3(6) 2( ) 8x

18 2( ) 8x 18 18

2 10x

5x

Answer D2 10

2 2

x

F9 12x2 + 11x – 36 is the product of (3x – 4) and

another polynomial. What is the other polynomial?

A.

B.

C.

D.

E.

9 4x

24x

24 9x

4 9x

4 9x

F9 12x2 + 11x – 36 is the product of (3x – 4)

and another polynomial. What is the other

polynomial?

212 11 36x x 3 4x

Answer E

212))(3( xx 36))(4(

x4

x4

9

9

F10 416

81

A.

B.

C.

D.

E.

4

9

2

9

4

2

9

2

3

4

20.25

42(2)(2)(2)

(3)(3)(3)(3)

2

3