HA1 - Graphs of Quadratic Functions

Which of the following is the vertex of y = -x² + 12x – 47 ?

• (-6, -32)

• (6, -11)

• (6, 8)

• (-6, -35)

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which of the following is the axis of symmetry for y = 0.4x² + 14 ?

• the y-axis

• the x-axis

• x = 14

• x = -0.4

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which of these parabolas will open downward?

• y = 3x² – 9x + 5

• y = x² – 7

• y = -5x² + 8x – 2

• y = x² – 4x + 11

Which of the following is the vertex of y = 2(x + 5) ² – 6 ?

• (2, -7)

• (5, -4)

• (5, -6)

• (-5, -6)

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

For which nonzero values of “a” will the graph of y = ax² + bx + c be wider than the parent quadratic function?

• a > 0

• a < -1 or a > 1

• a < 0

• -1 < a < 1

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which of these is the y-intercept of the graph of y = x² + 10 ?

• (0, 10)

• (5, 0)

• (0, 5)

• (10, 0)

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which of the following is the vertex of y = 3(x - 6)² + 11 ?

• (6, -11)

• (-6, -11)

• (-6, 11)

• (6, 11)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the DEGREE of every QUADRATIC equation?

• 3

• 2

• 4

• 1

Which of these makes the parent quadratic function narrower and shifts it 7 units upward?

• y = 4x² + 7

• y = 4x² – 7

• y = 0.1x² – 7

• y = 0.1x² + 7

Tags

CCSS.HSF.BF.B.3

Which of the following is the vertex of y = x² + 3 ?

• (-3, 0)

• (0, -3)

• (0, 3)

• (3, 0)

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7