Algebra I STAAR EOC

Factor
2x² - 13x - 70

• (2x-7)(x+10)

• (7x+5)(x+2)

• (2x+7)(x-10)

• 2(x+7)(x+10)

Factor
9x²+9x-10

• (3x-5)(3x+2)

• (3x+5)(3x-2)

• (3x+5)(3x+2)

• Not Factorable

Factor
81m² - 1 

• not factorable

• (m-9)(m+9)

• 9m(9m-1)

• (9m-1)(9m+1)

12x + 9

• 3(4x + 3)

• x(12+9)

• 3(4x - 3)

• not factorable

A ball is thrown into the air with an upward velocity of 100 ft/s. Its height, h, after t seconds is given by the function
 h = -16t² + 64t + 960.
When did the ball hit the ground?

• 10 seconds

• 2 seconds

• 5 seconds

• 7 seconds

A ball is thrown into the air with an upward velocity of 100 ft/s. Its height, h, after t seconds is given by the function
 h = -16t² + 64t + 960.
What is the maximum height?

• 960 feet

• 1008 feet

• 1024 feet

• 1152 feet

Find the general rule for: 64, -32, 16, -8, …  

• 64(1/2)^n-1

• (-32)^n-1

• 64(-1/2)^n-1

• (32)^n-1

Anything raised to a power of zero is always: 

• 0

• 1

• itself

• negative

(3y⁴)²

• 9y⁸

• 9y⁶

• 6y⁸

• 6y⁶

3x⁻³

• 1⁄3x³

• 3⁄x³

• 3x³

• -3x³