Parabola Quiz Review

What is the vertex?

• (4,-4)
• (2,0)
• (0,2)
• (6,0)

Tags

CCSS.HSF-IF.C.7A

If the vertex of a parabola is (3,5), what is the axis of symmetry?

• 3

• x=5

• x=3

• There is not enough information provided.

What is the axis of symmetry?

• x=-1
• x=-2
• y=-1
• y=-2

Tags

CCSS.HSF-IF.C.7A

If given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)
• (-5, -4)
• (-15, -4)
• (15, -4)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the axis of symmetry for the following quadratic function:

f(x)=1/2(x-4)²+3

• x=4

• x=-4

• x=1/2

• x=3

Is the following parabola concave up or concave down?

f(x)=1/2(x-4)²+3

• Concave up

• Concave down

• Not enough information

Is the following parabola wider than or thinner than x²?

f(x)=1/2(x-4)²+3

• Wider

• Thinner

• Not enough information

• Same width as x²

What is the vertex of the parabola: y=2(x-3)²+4

• (3,4)
• (-3,4)
• (3, -4)
• (-3,-4)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What causes the graph of y = x² to open downward?

• multiply the x² by a fraction
• multiply the x² by a decimal
• multiply the x² by a negative number
• multiply the x² by a number greater than 1

Tags

CCSS.HSF-IF.C.7A

What causes the graph of y = x² to become wider?

• multiply the x² by a number less than 1

• multiply the x² by a decimal

• multiply the x² by a negative number

• multiply the x² by a number greater than 1