Solving/Graphing Quadratics Review

What is another way to say "where a function crosses the x-axis"?

• x-intercept
• zero
• root
• all of these.

Tags

CCSS.HSF-IF.C.7C

Which is a zero of the graph?

• 0
• -1
• 1.5
• -3

Tags

CCSS.HSF-IF.C.7A

What are the roots of the function
f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3
• x = 2 or x = -3
• The are no real roots
• x = 2 or x = 3

Tags

CCSS.HSF-IF.C.7C

Calculate the roots of the quadratic.

• x = 6 and 3

• x = 1 and 0

• x = 0 and 3

• x = 3 and 1

Tags

CCSS.HSA-REI.B.4B

What are the zeros of x²+9x+14

• 2, 7
• -2, -7
• 2, -7
• -2, 7

Tags

CCSS.HSA-REI.B.4B

What are the zeros of the quadratic function?
y = x² - 2x - 15

• x = -2
  x = -15
• x = -3
  x = 5
• x = 3
  x = -5
• x = 1
  x = -16

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What are the zeros of the function

f(x)= -4(x - 3)(x+5)?

*Hint: Type the function into y=

• -12 and 20

• -5 and 3

• -4 and -5

• -3 and 5

Tags

CCSS.HSF-IF.C.7C

Which graph has the x intercepts of -2 and 1?

• y = 2x -1
• y = x²-2x +1
• y = x²+x-2
• y=x²-x-2

Tags

CCSS.HSF-IF.C.7A

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

Tags

CCSS.HSA.SSE.B.3

What are the roots of x² - 16x + 63 = 0

• x = 5; x = -8

• x = 7; x = 9

Tags

CCSS.HSA-REI.B.4B