Algebra Quadratic Functions

Does the equation open up or down? 
Y = -3x² +7x - 2

• up

• down

• Neither; it opens to the right.

• Neither; it opens to the left.

Tags

CCSS.HSF-IF.C.7A

What are the zeros of the parabola? 

• 1, 5

• 3, -5 

• 3, 0

• -6, 1

Tags

CCSS.HSA.APR.B.3

How do you know if a parabola has a minimum?

• When ‘a’ is positive there is a minimum

• When ‘a’ is negative there is a minimum

• When all the numbers in the equation are negative there is a minimum

• When all the numbers in the equation are positive there is a minimum

Tags

CCSS.HSF-IF.C.7A

What should you do first in solving this equation?

x² + 6x - 13 = 3

• Factor

• Write down: a = 1, b = 6, c = -13

• Subtract 3 from both sides.

• Add 3 to both sides.

Tags

CCSS.HSA-REI.B.4B

Name "c" for the equation
4x² - 5x + 7 = 10

• 7

• 17

• -5

• -3

Tags

CCSS.HSA-REI.B.4B

When a quadratic equation is graphed, it creates a

• Square

• Circle

• Parabola

• Line

Tags

CCSS.HSF-IF.C.7A

Solutions of a quadratic equation are also called

• roots

• x-intercepts

• zeros

• All of the above

How many solutions does this graph have?

• one

• two

• no solutions

• cannot be determined

What is the y-intercept of the parabola shown?

• (0, -4)

• (0, 4)

• (-4, 0)

• (4, 0)

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry of the parabola shown?

• x = 1

• (1, 3)

• (0, 2)

• x = -1

Tags

CCSS.HSF-IF.C.7A