Algebra I STAAR EOC

Fill in the blank with the correct exponent to make the statement true.
3^{16 =} (3⁸)(3^_)

• 2

• 8

• 4

• 1

Simplify the exponential expression:

• 10x^-2

• 2x²

• 2x¹²

• 10x¹²

(2x³y)⁶

• 2x¹⁸y⁶

• 64x¹⁸y⁶

• 64x³y⁶

• 2x³y⁶

(2m⁴)(5m²)

• 10m⁶

• 10m⁸

• 7m⁶

• 7m⁸

 Simplify
 (2a²b⁴z)(6a³b²z⁵)

• 8a⁵b⁶z⁶

• 12a⁶b⁸z⁵

• 12a⁵b⁶z⁶

• 8a⁶b⁸z⁵

Select the equivalent expression
4x⁴y³ ⋅ 2x³y^-5

• 8x⁷/ y²

• 6x⁷y⁸

• 6x⁷y^-2

• 8 / x⁷y² 

The function f(x)=0.49x models the cost to purchase x pounds of apples from the grocery store.  What is the most appropriate domain for the function?

• All integers

• All rational numbers

• All non-negative integers

• All non-negative rational numbers

How many solutions does this graph have?

• one

• two

• no solutions

• cannot be determined

What is the explicit rule for the sequence:
11, 22, 44, 88...

• a_n = 2(11)^n-1

• a_n = 11x2

• a_n = 11(2)^n-1

5³⋅5⁴

• 5⁷

• 5⁻¹

• 5¹²

• 5