AnswersCMS 2026-2027 NC Math 3 CREDIT RECOVERYPretestQuestion 6
6
lesson pretestMultiple Choice

Pretest

Question 6 • CMS 2026-2027 NC Math 3 CREDIT RECOVERY

What substitution should be used to rewrite 4 x to the 4th power minus 21 x squared plus 20 is equal to 0 as a quadratic equation?

Answer
A
u is equal to x squared
B
u is equal to 4 x to the 4th power
C
u is equal to 2 x squared
D
u is equal to x to the 4th power
Previous
Next

More from this Course

lesson pretest
10 verified answers

Pretest

lesson pretest
10 verified answers

Pretest

lesson pretest
10 verified answers

Pretest