Solve Polys using factoring and graphing

What is another word for zeros?

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

If a quadratic function is represented as f(x) = (x - 7)(x + 8), find the zeroes.

• x = - 7 and x = 8

• x = 7 and x = -8

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• a = 4, b = -8, c = 3
• a = 4, b =-8, c =-3
• a = 4, b = 8, c = 3
• a = 4, b = 8, c = -3

What should you do first in solving this equation?
x² + 6x - 13 = 3

• Get factored form
• Write down: a=1, b=6, c=-13
• Make it equal 0 by subtracting 3 on each side
• Type it all in a calculator.

Find the zero(s) of the function.

• x = 1

• x = -3

• x = -1 and x=3

• x = 2

Find the solution(s) of the function.

• x = -3 and x=5

• x = 3 and x=5

• x = -3 and x=-5

• x = 3 and x=5

Solve    2x² + 7x - 15 = 0

• -1.5 or 5
• No Solution
• -5 or 1.5
• 0.7 or 5

Find the root(s) of the function.

• x = 2 and x= -3

• x = -2 and x= -3

• x = -2 and x= 3

• x = 2 and x= 3

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• -4.9 and -0.1

• -8.54 and 8.54

• -0.45 and 3.55

• -6.77 and 1.77

What are the zeros of x²+9x+14

• 2, 7

• -2, -7

• 2, -7

• -2, 7