7.1-7.5 Quadratic Quiz

Which of the following equations matches standard form of a quadratic?

• ax + by = c
• y = a(x - h)² + k
• y = ax² + bx + c
• y = mx + b

Does y = -4x² have a maximum or minimum value?

• maximum
• minimum

Tags

CCSS.HSF-IF.C.7A

What are the x-intercepts?

• 0 and 2
• -4 and 0
• 2 and 3
• 0 and 4

What is the y-intercept?

• (-1,0)

• (3,0)

• (0,3)

• (-1,0) and (3,0)

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry?

• 2

• x=2

• (2,1)

• x=1

Tags

CCSS.HSF-IF.C.7A

Identify the vertex.

• (5, 2)

• (5, -2)

• (-5, 2)

• (-5, -2)

What is the y-intercept?

y= 2(x + 1)² - 32

• (-1,-32)

• (0,30)

• (-30,0)

• (0,-30)

Find the x-intercepts.

f(x)=2(x - 1)² - 128

• x = 9 or x = -9

• x = 17 or x = -15-5

• x = 7 or x = -9

• x = 9 or x = -7

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What are the coordinates of the vertex? Is it a maximum or a minimum?

• (2, 3); minimum

• (2, 5); maximum

• (2, 3); maximum

• (2, -3); minimum

• (2, -3); maximum

Answer explanation

What is the y - intercept?

Answer explanation

Tags

CCSS.HSF-IF.C.7A