Graph and Solve Quadratic Equations

Use the discriminant to find the number of solutions for the following equation.

y = 4x² - 9

• 2 solutions

• 1 solution

• 0 solutions

Tags

CCSS.HSA-REI.B.4B

Does this graph have a maximum or a minimum?

• maximum

• minimum

• I am not sure.

• neither

Tags

CCSS.HSF-IF.C.7A

Does this graph have a y-intercept?

• yes

• no

• I am not sure.

Tags

CCSS.HSF-IF.C.7A

Solve the equation by factoring.

• x = {3,8}

• x = {-3,8}

• x = {3,-8}

• x = {-3,-8}

Tags

CCSS.HSA-REI.B.4B

Solve the equation by factoring.

• x = {1}

• x = {-1}

• x = { }

• no solution

Tags

CCSS.HSA-REI.B.4B

How many solutions can a quadratic have?

• 1 solution

• 3 solutions

• 0 solutions

• 2 solutions

A curve that is created when you graph a quadratic

• V

• vertical

• parabola

• axis of symmetry

Tags

CCSS.HSF-IF.C.7A

What are the solutions?

• 0 and 8

• -2 and -4

• 3 and -1

• 2 and 4

Find the discriminant and determine how many zeros exist for the following function: 
x² - 6x + 5 = 0

• -56; No real roots

• 4; Two real solutions

• -56; Two real solutions

• 4; No real roots

Tags

CCSS.HSA-REI.B.4B

Solve by factoring.
z² - 6z - 27 = 0

• z = 3 or z = 9

• z = 3 or z = -9

• z = -3 or z = 9

• z = -3 or z = -9

Tags

CCSS.HSA-REI.B.4B