Quiz 3.1 - 3.4

(k + 1)(k − 5) = 0

• (1,5)
• (-1,5)
• {-1,5}
• {1,5}

Tags

CCSS.HSA-REI.B.4B

n2 − 10n + 22 = −2

• {6,4}
• {-6,4}
• {6,-4}
• {-6,-4}

Tags

CCSS.HSA-REI.B.4B

If the binomial (x - 7) is a factor of the polynomial function f(x), which statement must be true?

• f(7) = -7
• f(7) = 0
• f(-7) = 0
• f(-7) = -7

Tags

CCSS.HSA.APR.B.2

What are the zeros (x-intercepts)?

• x = 2,-2
• x = 2,-2,0
• x = 2,0
• x = -4,-2,2,0

Tags

CCSS.HSF-IF.C.7C

What does "find the vertex" mean?

• Finding the maximum or minimum point of the quadratic.
• Finding where the quadratic crosses the x-axis.
• Finding where the quadratic crosses the y-axis.
• Finding where the quadratic equals 0. 

What is the vertex of  x²+10x+24?

• (-5,-1)
• (5,1)
• (6, 4)
• (-6,-4)

What is the vertex of x²+2x+72 

• (1, -71)
• (-1, 71)
• (-1, -71)
• (1, 71)

Where is the function increasing?

• [4, ∞)
• [−4, ∞)
• [6, ∞)
• 4 < x < 6

Tags

CCSS.HSF-IF.C.7A

When is this function increasing?

• -2.5 < x < 2.5
• 0 < x < 5
• 0 < x < 55
• -5 < x < 0

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

CCSS.HSF.IF.C.7

What are all the x-intercepts?

• (−2.55, 0), (2.55, 0)
• (−3,0), (−2,0), (2,0), (3,0)
• (0, 36)
• (−∞,∞)

Tags

CCSS.HSF-IF.C.7A