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Algebra I Honors Quarter 4 Exam Review
10-1 Pythagorean Theorem Determine which of the following sets of lengths can be the side lengths of a right triangle.
1. 12, 60, 61 2. 15, 36, 39 3. 12, 35, 38 No Yes No
10-2 Simplifying Radicals Simplify each radical expression.
4. 192s2 5. 3 150b8 6. 20x2y3
8s 3 15b4 6 2xy 5y
7. 3x3
64x2 8. 2 24
48t 4 9. 3xy17
507x5y9
3x8
2t 2
y4
13x2
10. 4 10 i 2 90 11. 3 5c i 7 15c2 12. −6 15n5 i 2 75
240 105c 3c −180n2 5n
13. 27
14. 58x
15. 3 615
2 77
10x4x
3 105
10-3 Operations with Radical Expressions
16. 52 −1
17. 37 − 3
18. −26 + 11
5 2 + 5 3 7 + 3 3
4 2 6 − 2 11
5
19. 12 + 4 75 − 36 20. 18 + 3 72 + 4 21. 2 700 − 3 20 + 5 28
22 3 − 6 21 2 + 2 30 7 − 6 5
22. (3 11 + 7)2 23. (2 + 10)(4 − 12) 24. (3+ 6)(5 − 12) 106 + 6 77 8 − 4 3 + 4 10 − 2 30 15 + 5 6 − 6 3 − 6 2
11-1 Simplifying Rational Expressions Simplify each expression. State any excluded values.
25. n2 + 7n +12n2 + 6n + 8
26. c2 − 6c + 8c2 + c − 6
27. w2 + 7w
w2 − 49
n + 3n + 2
; n ≠ −4,−2 c − 4c + 3
; n ≠ −3,2 ww − 7
; w ≠ −7,7
11-2 Multiplying and Dividing Rational Expressions Multiply. State any excluded values. Be sure to distribute. Do NOT leave as multiplication problems.
28.
6y2
5i2
y + 3 29.
2xx +1
ix −13
30.
m − 4m + 4
im
m −1
12y2
5y +15; y ≠ −3 2x2 − 2x
3x + 3; x ≠ −1 m2 − 4m
m2 + 3m − 4; m ≠ −4,1
Multiply. Do NOT distribute. Factor and simplify, but leave the parenthesis.
31.
4c2c + 2
ic2 + 3c + 2c −1
32.
b2 + 4b + 42b2 − 8
i3b − 64b
33.
t 2 − t −12t +1
it +1t + 3
2c(c + 2)c −1
3(b + 2)8b
t − 4
Divide. Do NOT distribute. Factor and simplify, but leave the parenthesis.
34. x2 + 6x + 8x2 + x − 2
÷ x + 42x + 4
35. 2n2 − 5n − 34n2 −12n − 7
÷ 4n + 52n − 7
2(x + 2)x −1
n − 34n + 5
36.
4b −1b2 + 2b +112b − 3b2 −1
37.
g + 23g −1g2 + 2g6g + 2
38.
c + 4c2 + 5c + 63c2 +12c2c2 + 5c − 3
b −13(b +1)
2(3g +1)g(3g −1)
2c −13c(c + 2)
11-3 Dividing Polynomials Divide. (Write your remainder as a fraction, using the divisor as the denominator.)
39. (−4q2 − 22q +12)÷ (2q +1) 40. (2w3 + 3w −15)÷ (w −1)
−2q −10 + 222q +1
2w2 + 2w + 5 − 10w −1
11-4 Adding and Subtracting Rational Expressions Add or subtract. (Do NOT distribute the denominators. Simplify and leave them with parenthesis.)
41. 3b − 3
− bb − 3
42. 5c2c + 7
+ c − 282c + 7
43. 12 − b
− 42 − b
-1 6c − 282c + 7
− 32 − b
or 3b − 2
44. aa + 3
− 4a + 5
45. 9m + 2
+ 8m − 7
46. pp + 3
+ p + 54
(a + 4)(a − 3)(a + 3)(a + 5)
or a2 + a −12(a + 3)(a + 5)
17m − 47(m + 2)(m − 7)
p2 +12p +154(p + 3)
11-5 Solving Rational Equations
47. dd + 3
= 2dd − 3
−1 48. yy + 2
− 1y= 1
-1 − 23