Math Models/ STAAR Algebra 1 Pre-Test

Which value of n makes the equation 2(2n + 3) = -6(n + 9) true?

• 1.2

• 6

• -6

• 7.5

What are the roots of the function shown?

• y = -2

• x= 0 and x= 4

• y= 0

• x= 2

What are the solutions to x² + 2x - 24 = 0?

• x = -6, x = 4

• x = 6, x = -4

• x = 12, x = -2

• x = 8, x = -3

Which statement is true about f(x) = 2x²+ 7x + 6?

• The zeros are 3/2 and 2

• The zeros are -3/2 and -2

• The zeros are 6 and 7

• The zeros are -6 and -7

Which expression is a factor of p² - 6p + 8?

• (p - 2)

• (p + 2)

• (p - 8)

• (p + 4)

What is the equation of the axis of symmetry of the function

f(x) = x² - 8x + 15 ?

• y = -1

• x = 4

• y = 15

• x = 3 and x = 5

Two brothers went shopping at a back-to-school sale. The younger brother spent $175 on 7 new shirts and 7 pairs of shorts. The older brother purchased 6 new shirts and 7 pairs of shorts and paid a total of $165. How much did one shirt cost?

• $5

• $10

• $15

• $20

What is the value of y in the solution to the system of equations below?

4x+8y=20

-4x+2y=-30

• 7

• -7

• 1

• -1

What is the solution to the system of equations shown below?

8x + 4y = 12

y = -2x + 3

• (-1, 3)

• (4, 6)

• No solution

• Infinitely many solutions

What is the slope of the line that passes through the points

(10, 1) and (5, 2) ?

• 1/5

• -1/5

• 5

• -5