SAT Prep - Heart of Algebra
a year ago
klein12
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• Question 1
120 seconds
Q.

14 students

18 students

25 students

50 students

• Question 2
120 seconds
Q.

A lemonade standâ€™s profit is given by the equation

y=3.5x-12.75. What does 3.5 most likely stand for?

The cost for supplies.

The amount for a cup of lemonade.

The total profit of the lemonade stand.

• Question 3
120 seconds
Q.

If 3x-6=21, what is the value of 2x+7

5

9

27

25

• Question 4
120 seconds
Q.

What is the value of 8y?

10

35

140

280

• Question 5
120 seconds
Q.

Which of the following could be a parallel line for the equation, y=3x-5?

y= 3x + 5

y= -3x - 5

y=1/3 x +2

y = -1/3 x -2

• Question 6
120 seconds
Q.

What is the percent change? Original cost is \$15 and the new cost is \$70.

367% decrease

367% increase

79% decrease

79% increase

• Question 7
120 seconds
Q.

Solve. x2 - 10x = -21

x=3, x=7

x= -3, x= -7

x=3, x = -7

x= -3, x=7

• Question 8
120 seconds
Q.

The Saginaw Warehouse measures 800 ft by 200 ft. If 3/4 of the floor space is covered, how many square feet are NOT covered?

160,000 ft2

120,000 ft2

40,000 ft2

20,000 ft2

• Question 9
120 seconds
Q.

Simplify. (a5) (a4)(a7)

a140

a27

a16

a2

• Question 10
120 seconds
Q.

Solve for x.

75 - 9x = 5 (-4 + 2x)

x = 5

x = 10

x = 15

No solution

• Question 11
120 seconds
Q.

Solve for y.

3y + k = am - 4y

7y + k = am

y = (am - k) / 7

k + am + 7 = y

y = 7k + am

• Question 12
120 seconds
Q.

Simplify.

(x + 2) (3x + 4)

4x + 6

3x2 + 6

3x2 + 10x + 8

4x2 +10x + 6

• Question 13
120 seconds
Q.

What is the value of y?

x + 2y = 12

x + y = 29

y = 41

y = -17

x = 46, y = -17

x = 46, y = 34

• Question 14
120 seconds
Q.

Which of the following equations below is a perpendicular line to the equation below?

y = -3/4 x + 5

y = -3/4 x + 2

y = 3/4 x - 2

y = 4/3 x +2

y = -4/3 x - 12

• Question 15
120 seconds
Q.

Solve the systems of equations.

-2x + y = 4

2x + y = 10