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- 1. Multiple Choice
What should you do first if solving this equation using the FACTORING method?
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.
- 2. Multiple Choice
Solve by factoring: x2 = 7x + 18
-7 and -18
9 and 2
9 and -2
2 and 7
- 3. Multiple Choice
What is this formula?This is the speed of light formula.This is the quadratic formula.This is the zero product property.This is scary. - 4. Multiple ChoiceSolve Using the Quadratic Formula
x2 + 4x - 40 = -8-10 & -4-4 & 10-8 & 48 & -4 - 5. Multiple Choice
Solve by the Square Root method: x2 = 16
± 4
± 8
4
8
- 6. Multiple Choice
Solve by the Square Root method:
-5x2 = -50
± 5
± 10
± √10
-10
- 7. Multiple ChoiceFind the missing value "c" to create a perfect square trinomial:
x2 – 8x + ___-41648 - 8. Multiple Choice
What is the first step to solving THIS equation by completing the square?
a2 + 10a + 21 = 0
Set the equation equal to zero
Divide 10 by 2 and add the result to both sides
Add a2 and 10a together
Subtract the 21
- 9. Multiple Choice
Solve the following quadratics equation by completing the square...
x2 + 4x + 1 = 0
x = -2 ± √3
x = -3 ± √2
x = 2 ± √3
x = 2 ± √2
- 10. Multiple Choice
Solve by ANY method you have learned: x2 − 2x - 11=0
- 11. Multiple ChoiceSolve the equation by completing the square and then finding the roots.
x2+ 6x - 4 = 36x = -7, 7x = 4, -10x = -4 +- √7x = 10, -4 - 12. Multiple ChoiceWhich of the following equations matches standard form of a quadratic?ax + by = cy = a(x - h)2 + ky = ax2 + bx + cy = mx + b
- 13. Multiple Choice
What are some other names for the SOLUTIONS of a quadratic equation?
y-intercepts
roots
x-intercepts
zeros
- 14. Multiple Choice
Which is the BEST method to use to solve this equation?
3a2 = 27
Square Root Method
Factor Method
Complete the Square
Quadratic Formula
- 15. Multiple Choice
Which TWO methods could be used to solve this equation?
x2 - 3x - 54 = 0
Square Root Method
Factor Method
Complete the Square
Quadratic Formula
- 16. Multiple Choice
Which TWO methods could be used to solve this equation?
x2 + 2x = -9
Square Root Method
Factor Method
Complete the Square
Quadratic Formula
- 17. Multiple Choice
Which is the ONLY method that can be used to solve this equation?
2x2 - 7x + 2 = 0
Square Root Method
Factor Method
Complete the Square
Quadratic Formula
- 18. Multiple Choice
Which TWO methods could be used to solve this equation?
2x2 + 4x - 6 = 0
Square Root Method
Factor Method
Quadratic Formula
Completing the Square
- 19. Multiple ChoiceTrue or false:
The solutions, roots, x-intercepts, and zeros of a quadratic equation are all the same thing.TrueFalse, because the solution and root are the same but the x-intercept and zero are differentFalse, because the x-intercept and root are the same but the zero and solution are differentFalse, they are all different - 20. Multiple Choice
Solve by using a method of your choice:
k2 − 12k + 23 = 0
{6 + √13, 6 - √13}
{-6 + √13, -6 - √13}
{6 + √59, 6 - √59}
{-6 + √59, -6 - √59}
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