3/17 4B Quiz 1 Solving Quadratics

What is the solution to the quadratic equation,

(x - 8)(x + 7) = 0 ?

• x = { 7, 8}

• x = {-8,-7}

• x = {-7,8}

• x = {-8,7}

What are the zeros of the function below?

z(z - 15)=0

• z = 0 and z = 15

• z = 0 and z = -15

• z = -15

• z = 15

• z = 0

How many solutions does the graph of the quadratic have?

• No Solutions

• One Solution

• Two solutions

• Solutions cannot be determined

What are the zeros of the quadratic function?

4m² - 100 = 0

• m=25, -25

• m=96

• m=5, -5

• m=-96

What is another word for zeros?

• y-intercepts
• roots
• vertex
• axis of symmetry

What is name of the graph of a Quadratic Equation?

• Line

• Bolapar

• U

• Parabola

What is the standard form for a Quadratic?

• ax²+ bx = - c

• x = -b ± √(b²-4ac) / 2a

• y = ax² + bx + c

• y = mx + b

What are the solutions?

• -2, 1
• 1, 2
• -1,2
• 0,-4

Solve the equation by factoring.
x² + 13x + 40 = 0

• -8, 5
• -40, -1
• 5, 8
• -8, -5

Solve for the zeros by factoring.

4x² - 12x + 9 = 0

• 1.5, - 1.5

• 1.5

• -1, 1

• No real solution