Solve: x2 - 225 = 0
Extracting the Root

Quiz
•
Mathematics
•
9th Grade
•
Hard
Anthony Clark
FREE Resource
17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
14
15
16
17
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
What are the roots / solutions of the quadratic equation 3x2 = 300 ?
x = 10
x = 9
x = + 9
x = + 10
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
What are the roots / solutions of the quadratic equation equation 2x2 + 3 = 101 ?
x = + 7
x = + 8
x = + 9
x = + 10
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
What are the roots / solutions of the quadratic equation x2 = 32?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is another word for zeros?
y-intercepts
roots
vertex
axis of symmetry
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the solutions of the equation x2 - 16 = 0 by extracting the square root.
x = 4 and x = -4
x = 4
x = -4
no answer
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the roots of the quadratic equation (s - 4)2 - 81 = 0?
s = 9/2 and s = -9/2
s = 9 and s= -9
s = 2 and s = -2
s = 13 and s = -13
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