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Mathematics
9th -
12thgrade
Grade 9 - Factoring & Solving Quadratic Equations
17 questions
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- 1. Multiple ChoiceFactor x2-6x-40(x-10)(x+4)(x+10)(x-4)(x-8)(x+5)(x+8)(x-5)
- 2. Multiple Choice
Solve x2 + 13x + 12 = 0 by factoring.
x = -12, -1
x = 12, 1
x = 13, 1
x = -13, -1
- 3. Multiple Choice
Solve the equation: (x-7)(x+3)=0
x =-7 and x = 3
x = 7 and x = 3
x = -7 and x = -3
x = 7 and x = -3
- 4. Multiple Choice
Solve the equation by the factoring method: 6x2 - 9x = 0
x = 0 & x = 3
x = 0 & x = -3/2
x = 0 & x = 3/2
- 5. Multiple Choice
Solve the equation by completing the square: x2 - 8x = 20
x = 10 and x = -2
x = -10 and x = -2
x = 10 and x = 2
- 6. Multiple Choice
Solve the equation with a method of your choice:
x2 - 2x - 24 = 0
x = 6 and x = 4
x = -6 and and x = 4
x = 6 and x = -4
- 7. Multiple ChoiceThe solutions of the quadratic equation
x2-5x+6=0 arex=1 or x=-6x=3 or x=2x=-3 or x= 2x=-1 or x=6 - 8. Multiple ChoiceDetermine the values of
a, b, and c for
the quadratic equation:
4x2 – 8x = 3a = 4, b = -8, c = 3a = 4, b =-8, c =-3a = 4, b = 8, c = 3a = 4, b = 8, c = -3 - 9. Multiple Choice
What are the 2 characteristics we look for when trying to solve a quadratic equation?
A positive coefficient for & the equation set equal to 0.
Factor and cancel
Distribute and combine like terms
There is no such thing as a quadratic equation
- 10. Multiple Choice
Standard form of a quadratic equation
ax²+bx=c
ax²+bx+c=0
y=mx+b
y=x
- 11. Multiple Choice
Which graph has x-intercepts at
and ? - 12. Multiple Choice
Select all of the solutions of the quadratic equation. (Solve by factoring)
- 13. Multiple ChoiceConvert x2-6x+9 to factored form and identify the solution.(x-3)(x-3); x=3(x+3)(x+3); x=-3(x+4)(x+2); x=-4, -2Not factorable
- 14. Multiple ChoiceConvert x2-9x+20 to factored form and solve.(x-10)(x+2); x=-2, 10(x+4)(x+5); x=-5, -4(x-4)(x-5); x=4, 5Not factorable
- 15. Multiple Choice
Which of the following are Perfect Square Trinomials? Select all that apply.
a2-2ab+b2=(a-b)2
a2-b2=(a+b)(a-b)
ax2+bx+c=0
a2+2ab+b2=(a+b)2
y=a(x-h)2+k
- 16. Multiple Choice
True or False: All quadratic expressions are factorable.
True
False
- 17. Multiple Choice
True or False: When factoring using the "bump it up" method, your FIRST step is to multiply the "1st" term ("a") and "3rd" ("c") term together. Then, look to see what factors of that product add together to get the middle "bx" term.
True
False
- Answer choicesTagsAnswer choicesTags