The Rational Root Theorem
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Standards-aligned
Anthony Clark
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13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a COMPLETE list of all possible Rational Zeros?
f(x) = x3 + 2x2 - 6x + 8
±1, ±8
±1, ±2, ±4, ±8
±1, ±2, ±4
1, 2, 4, 8
Tags
CCSS.HSA.APR.B.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a COMPLETE list of all possible Rational Zeros?
f(x) = 3x3 + 2x2 - 6x + 7
±1, ±7, ±1/3, ±7/3
±1, 7
±1, ±3, ±7, ±7/3
±1, ±3, ±7, ±1/3, ±7/3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Factor using Rational Root Theorem: x3 + 3x2 - 6x - 8 = 0
(x + 4) (x + 1) (x - 2)
(x + 4) (x + 1) (x + √2) (x - √2)
(x - 1) (x - 2) (x - 4)
(x - 4) (x + 1) (x - √2)
Tags
CCSS.HSA.APR.B.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by using Rational Root Theorem:
x3 + 3x2 - 6x - 8 = 0
-4, -1, 2
-4, -1, ±√2
1, 2, 4
4,-1,√2
Tags
CCSS.HSF-IF.C.7C
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by using Rational Root Theorem:
x3 - 7x - 6 = 0
1, 2, 3
-1, -2, - 3
-1, -2, 3
1,-2,-3
Tags
CCSS.HSA.APR.B.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by using Rational Root Theorem:
x4 - x3 + 2x2 - 4x - 8 = 0
-1, 2, ±2
-1, 2, ±2i
1, -2, 4
1, 2, 2i
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by using Rational Root Theorem:
2x3 - 11x2 + 12x + 9 = 0
-1, 1, 3
-1, 3/2, 3
-1/2, 3, 3
-1/2, 1, 3
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