Quadratic in Form Polynomials — Unit test

Question 1

What substitution should be used to rewrite 6(x + 5)2 + 5(x + 5) – 4 = 0 as a quadratic equation?

Revolt · Accepted Answer

u = (x + 5)

Question 2

What is the quotient of the following division problem?

Revolt · Accepted Answer

x + 2

Question 3

Which quadratic equation is equivalent to (x2 – 1)2 – 11(x2 – 1) + 24 = 0?

Revolt · Accepted Answer

u2 – 11u + 24 = 0 where u = (x2 – 1)

Question 4

What substitution should be used to rewrite 16(x3 + 1)2 – 22(x3 + 1) – 3 = 0 as a quadratic equation?

Revolt · Accepted Answer

u = (x3 + 1)

Question 5

What is the quotient of (x3 – 3x2 + 5x – 3) ÷ (x – 1)?

Revolt · Accepted Answer

x2 – 2x + 3

Quadratic in Form Polynomials — Unit test Answers