2018 STAAR Released Calculator Problems

Which expression is equivalent to -28x²+35x?

• 7x(4x+5)

• -7x(4x-5)

• 7x(4x-5)

• -7x(4x+5)

Which expression is equivalent to (144k²r¹⁴)^1/2

for all positive values of k and r?

• 12kr⁷

• 72k²r¹⁴

• 144kr⁷

• 12k²r¹⁴

What value of n makes the equation 4(0.5n-3)=n-0.25(12-8n) true?

• 3

• -9

• 0

• -15

Which expression is equivalent to

x²-17x-60?

• (x-20)(x+3)

• (x-5)(x-12)

• (x-20)(x-3)

• (x+5)(x-12)

Which statement about

g(x)=x²-576 is true?

• The zeros, -288 and 288, can be found when 0 = (x+288)(x-288).

• The only zero, 288, can be found when 0 = (x-288)².

• The zeros, -24 and 24, can be found when 0 = (x+24)(x-24).

• The only zero, 24, can be found when 0 = (x-24)².

Given f(x) = 1/3(4-x)², what is the value of f(16)?

• 144

• 72

• 24

• 48

What are the solutions to (x+7)²=81?

• -74 and 88

• -2 and 16

• -88 and 74

• -16 and 2

Which function is equivalent to f(x)=-4(x+7)²-6?

• f(x) = -4x²-56x-202

• f(x) = -4x²+14x+43

• f(x) = -4x²-56x-172

• f(x) = -4x²+190

Which expression is equivalent to (q⁴)^-3/(q^-15) for all values of q where the expression is defined?

• q²⁷

• 1/(q²⁷)

• q³

• 1/(q³)

What is the solution set for

-4x+10 ≥ 5x+55?

• x ≥ 5

• x ≥ 45

• x ≤ -5

• x ≤ -45