Solve Quadratic by Zero Product

Quiz
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the solution to the quadratic equation b2-36=0
-6 and 6
6
-6
36
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve: (k+1)(k−5)=0
k = 1, 5
k = -1, -5
k = -1, 5
k = 1, -5
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suzie solves the equation below:
x2 + 4x - 12 = 2
(x - 2)(x + 6) = 2,
by setting x -2 = 0 and x + 6 = 0.
Her solutions are x = 2 and x = -6.
Is Suzie correct? Why or why not?
Yes, she factored correctly and then used the zero product property
Yes, she factored correctly and then square rooted.
No, she did factor correctly, but she can't use the zero product property as shown.
No, she didn't factor correctly so the rest of her work is wrong.
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does the zero property rule tells us?
That y=0 for all quadratic equations
That if the product is zero, one of more factors needs to equal to zero
That the quadratic formula always equals to 0
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the equation using the zero product property.
(x- 9)(x + 3) = 0
x = 3 or x = 9
x = 3 or x = -9
x + -3 or x = 9
x = -3 or x = -9
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does it mean to "find the zeros" of a quadratic?
Plug in 0 and solve the expression.
Factor then set each factor equal to zero and solve to find x-intercepts
Set the expression equal to zero and solve
Factor then set each factor equal to zero and solve to find y-intercepts
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the zeros of this quadratic.
b=4/5, b=3
b=4, b=-3
b=1/5, b=3
b=4/5, b=-3
Tags
CCSS.HSA-REI.B.4B
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