Quadratic Equations, b, and c
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
True or false:
The solutions, roots, x-intercepts, and zeros of a quadratic equation are all the same thing.
True
False, because the solution and root are the same but the x-intercept and zero are different
False, because the x-intercept and root are the same but the zero and solution are different
False, they are all different
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the zeros of the equation:
(x+10)(x-2) = 0
10 and 2
-2 and 10
-10 and 2
-2 and -10
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What do you do to the b value to correctly complete the square?
square it
divide it by 2 and square the result
divide it by 2 and take the square root of the result
divide it by 2 only
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When factoring
x2 - 4x + 4 = 20,
what goes in the blank?
(x - __ )2 = 20
4
2
8
20
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the Quadratic Equation
(h - 2)2 = 9
h = 5, -1
h = 5, -5
h = 5
h = -1
Tags
CCSS.HSA-REI.B.4B
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