Simplify the expression.
-3x2( 7x2 - x + 4)
Operations With Polynomials Review

Quiz
•
Mathematics
•
9th Grade
•
Hard
Anthony Clark
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
-21x4 + 3x3 -12x2
7x2 - x + 4 (-3x2)
21x4 + 3x3 + 12x2
-12x2 + 3x3 -21x4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cam divided (x4 + 3x2 - 4x - 2) by factor of (x-2) using synthetic division. His work is shown above. Which best describes his mistake?
Cam wrote the remainder incorrectly.
Cam did not use a zero place holder for the x3 term.
Cam added instead of subtracting the rows.
Cam should have used -2 as his division since the factor was x-2.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Divide using Synthetic division:
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify:
(4n4 - 8n + 4) - (8n2 + 4n4 + 1)
-8n2 - 8n + 3
-7n2 - 8n + 3
-6n2 - 8n + 3
-7n2 - 4n + 3
5.
DROPDOWN QUESTION
1 min • 1 pt
a=1
b=0
c=-2
d=2
a=-1
d=0
b=1
d=-1
a=2
b=2
6.
MATH RESPONSE QUESTION
1 min • 1 pt
Write an expression in simplified form to represent the area of the rectangle.
Mathematical Equivalence
OFF
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(5x4 - 4x3 - 2x2 + x - 19) - (x4 + 5x3 + 8x2 + x + 5)
4x4 - 9x3 - 10x2 - 24
4x4 - 9x3 - 10x2 - 2x - 24
4x4 - 9x3 - 10x2 + 2x - 24
-4x4 - 9x3 - 10x2 - 24
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