1. Solve this equation: 1/2 (4x+1)= 7-1/4(6x – 2)a. 8 b. 4 c. 6 d. 2 3. Write an equation in standard form given slope = 3; P(−1, 4).

y=3x+7

3x–y=–7

3x+y=7

−3x–y=7 6. Write a direct variation equation going through (4, 5).a. y=4/5xb. y=5/4xc. y=5x

d. y=4×7. Write a direct variation equation going through (−6, 6).

y=x

y=−x

y=6x

y=−6x 8. Suppose you select a number at random from the sample space{5, 6, 7, 8, 9, 10, 11, 12, 13}. Find the theoretical probability P(a number that is a composite number). a. 1/32. 5/93. 2/94. 4/99. Suppose you select a number at random from the sample space{1, 2, 3, 4, 5, 6, 7, 8, 9}. Find the theoretical probability P(a number that is a multiple of 3). a. 1/9b. 2/9c. 1/3d 5/913. Is f(x) = |x – 3| a vertical, horizontal or combined translation of f(x) = |x| ?

horizontal

vertical

combined 14. For this function, f(x) = 2x – 3, find f(−5).

7

13

−13

4 18. Solve this equation 3|2d + 1| = 51.

d=8

d=8,−9

d=−8,9

d=9 19. Write an equation in standard form given slope = 3/4; P(2, 8).a. 3x+4y=−26b. 4y=3x+26 c. y=3/4x+13

d. 3x–4y=−26 20. Suppose you select a number at random from the sample space

{5, 6, 7, 8, 9, 10, 11, 12, 13}. Find the theoretical probability P(a number that is an even number). a. 4/9b 5/9c 2/3d 8/924. Solve this compound inequality 4r > −12 and 2r < 10.a. r>5 and r<−3b. r>5 and r>−3c. −5

yes

no 31. What would the line and the shading look like for this graph: y ≤ 2x – 7?a. dotted line, shading above the boundary lineb. dotted line, shading below the boundary linec. solid line, shading above the boundary lined. solid line, shading below the boundary line 33. Is {(4, 1), (2, 3), (2, 5), (−8, 1), (7, 6)} a function?a. yesb. no 34. Name the property of real numbers illustrated by the equation: 29(pi symbol)=pi symbol

x 29a. Distributive property

b. Commutative property of addition

c. Associative property of multiplication d. Commutative property of multiplication 39. What is the vertex of y=−|x|+6?a. (0, −6)b. (0, 6)c. (6, 0)d. (−6, −6) 41. Which translation takes y=|x+2|–1 to y=|x|+2.

2 units right, 3 units down

2 units left, 3 units up

2 units right, 3 units up

2 units left, 3 units down 42. Suppose you select a number at random from the sample space{5, 6, 7, 8, 9, 10, 11, 12, 13}. Find the theoretical probability P(a number that is greater than or equal 5). a. 8/9b. 1/3c. 2/3d. 1 44. Which relation is not a function?

{(0, 9), (2, 3), (0, 2), (4, 1)}

{(3, 2), (4, 1), (0, 9), (−3, 3)}

{0, 3), (2, 3), (3, 3), (4, 3)}

{(0, 3), (3, 2), (2, 4), (4, 6)} 49. Write the equation after the given transformation of the equation f(x) = |x|. Translation of 2 units right, 5 units

up and reflection in the x-axis.

f(x)=−|x+2|–5

f(x)=−|x–2|–5

f(x)=−|x–2|+5

f(x)=−|x+2|+5 50. Solve this compound inequality 3x < −6 or 7x > 56.

–2

x<–2 or x>8

x<8 or x>–2

x<–3 or x>49