MASTERY SESSION DAY 2

What is the domain of the function?

• x ≥ -4

• x ≥ -2

• x ≥ 0

• x ≥ 1

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

The graph of f(x) is shown. Which statement about f(x) is true?

• The zero of f(x) is −6.

• The zero of f(x) is 2.

• The zeros of f(x) are −1 and 1.

• The zeros of f(x) are −6 and 6.

Tags

CCSS.HSF-IF.C.7A

Which expression is equivalent to (16x² - 9)?

• (4x – 3)²

• 
• (4x – 3)(4x + 3)

• (8x – 9)(2x + 1)

Tags

CCSS.HSA.APR.C.4

Consider the expression shown. 4x^4 - 16. Which expressions are equivalent to the expression 4x^4 - 16? Select 3 Answers.

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Tags

CCSS.HSA.APR.C.4

What are the zeros of the function defined by the expression x² - 7x - 30?

• 3 and -10

• 10 and -3

• 15 and 2

• 15 and -2

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

The spray of a fountain has a height, in feet, that can be modeled by the polynomial expression pictured. Which statement about the height of the spray is true?

• The expression reveals a maximum height of 7 feet.

• The expression reveals a maximum height of 16 feet.

• The expression reveals a minimum height of 7 feet.

• The expression reveals a minimum height of 16 feet.

Javier has a part-time job and saves $10 of his hourly pay for the purchase of a new laptop that costs $648. He has $80 saved already. Which inequality represents the number of hours, x, Javier must work to buy the laptop?

• A. 10x + 80 ≥ 648

• B. 10x + 80 ≤ 648

• C. 10 + 80x ≥ 648

• D. 10 + 80x ≤ 648

Tags

CCSS.7.EE.B.4B

Larissa is on vacation and wants to rent a bicycle to explore the town. She pays a $10 flat fee and then $12 per hour for the rental. If Larissa has $45 to spend, what is the greatest number of full hours she can rent the bicycle?

• 1

• 2

• 3

• 4

Tags

CCSS.7.EE.B.4B

A town is expanding the size of a square athletic field. The equation shown determines the building cost, y , in dollars, for every foot, x , added to the width of the athletic field. The equation is shown. Which equation shows an equivalent equation rearranged to determine x in terms of y?

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Tags

CCSS.HSA.CED.A.4

Consider the linear equation 2ax + 3b = -4ax - 9b. If the solution is x = -1, which statement is true about a and b?

• a=b

• a=2b

• a=b/2

• a=6b

Tags

CCSS.HSA.REI.B.3