Quiz 3 - 1 Review

What is standard form of a quadratic?

• y = ax² + bx + c

• y = a + b + c

• y = ax + bx + cx

• y = ax² + bx² + cx

What are the other names given to a root?

• x - intercept

• y - intercept

• solutions

• zeros

• ones

What is the equation for the axis of symmetry?

• y = 3

• x = 3

• x = 5

• x = 1

What is the green dot on the parable called?

• maximum

• minumum

• roots

• zeros

Find the axis of symmetry of y = 2x² - 2x + 1.

• 2

• -2

• 1/2

• -1

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

• maximum

• minimum

What is the vertex of the quadratic function:

y = x² - 6x + 11

• (3, 2)

• (-3, -2)

• (-3, 2)

• (3, -2)

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?

• y = (x - 2)² - 1

• y = (x + 2)² - 1

• y = -(x + 2)² - 1

• y = -(x - 2)² - 1

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

• x = -b/2

• x = -b

• x = b / (2a)

• x = -b / (2a)