Preparing for Algebra

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Joe’s department store sells pens for 60 cents each and pencils for 40 cents each. Diane purchased a total of 17 items (pens and pencils) for $8.20. How many pens did Diane purchase?

• 5

• 7

• 10

• 12

Tags

CCSS.8.EE.C.8C

Simplify: (x⁶)(x⁵)

• 2x¹¹

• 2x³⁰

• x¹¹

• x³⁰

Tags

CCSS.HSA.APR.A.1

x⁴ − 16 = ?

• (x + 2)(x − 2)(x² + 4)

• (x + 2)²(x − 2)²

• (x + 2)³ (x − 2)¹

• (x − 2)⁴

Tags

CCSS.HSA.APR.C.4

What is the maximum value of this function: ƒ(x) = −16x² + 32x + 20

• 32

• 34

• 36

• 40

Solve for x:

3(x+1) = 5(x-2)+7

• -2

• 2

• 1/2

• 3

Tags

CCSS.8.EE.C.7B

If 2x + 5 = 8x, then 12x = ?

• 5

• 10

• 15

• 20

Find the x-intercept of a line that has the following equation: 2y = 3x - 6

• -2

• -1

• 1

• 2

The points represented by the (x, y) coordinate pairs in the table above all lie on the line k.

What is the slope of line k?

• -2

• -3

• 2

• 5

Tags

CCSS.8.EE.B.5

Bill's new porch is rectangular, with an area of 50 square feet. If the length of the porch is two times the width, what is the perimeter of the porch

• 30 feet

• 40 feet

• 50 feet

• 60 feet

Tags

CCSS.3.MD.D.8