Quadratics

Determine the vertex of the parabola:
y = 5x² - 20x + 13

• (5, -7)

• (-2, -7)

• (2, -7)

• (-7, -2)

Which of the following is the correct equation for the given graph?

• f(x) = (x - 2)² - 1

• f(x) = (x + 2)² - 1

• f(x) = -(x + 2)² - 1

• f(x) = -(x - 2)² - 1

Identify the vertex and whether the graph opens up or down.

• (-1, 4); opens up

• (-1, 4); opens down

• (1, 4); opens up

• (1, 4); opens down

What is the green dot on the parabola called?

• maximum

• minumum

• roots

• zeros

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

• maximum

• minimum

Tags

CCSS.HSF-IF.C.7A

What is the formula to find the vertex of a parabola?

• x = -b/2

• x = -b

• x = -b / (2a)

• x = -b / 2

The axis of symmetry line passes through which point?

• y-intercept

• any random point

• vertex

• none of these

What is another name for the x-intercepts of a quadratic?

• y-intercepts

• zeros

• x-axis

• none of these

Tags

CCSS.HSF-IF.C.7A

What is the equation of the line of symmetry for this quadratic function?

• x = -3

• x= .5

• x = 4

• x = -12

Solve  by factoring
x² + 13x + 12 = 0

• x = -12, -1

• x = 12, 1

• x = 13, 1

• x = -13, -1

Tags

CCSS.HSA-REI.B.4B