Seatwork Solving Quadratic Equation using Quadratic Formula

In the equation y = x² +5x +7, find the value for a, b and c (1 point).

• a=0, b=5, c=7
• a=1, b=5, c=7
• a=7, b=5, c=1

What should you do first in solving this equation? (2 points)

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.

Solve Using the Quadratic Formula (5 points) 

2x² + 7x - 15 = 0

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

When do you use the plus or minus symbol? (1 point)

±

• After taking the square root of both sides
• After adding the square to both sides
• After taking half of b
• After setting the equation equal to zero

What is the value for c in the equation 4x² - 5x + 7 = 10? (5 points)

• 7
• 17
• -5
• -3

Find the value of p in the given equation. (5 points)

• A
• B
• C
• D

Solve for the value of m in the given equation. (5 points)

• A
• B
• C
• D

What is this formula? (1 point)

• Speed of light formula

• Quadratic formula

• Zero product property

• Square of sum and difference