Which equation is quadratic in form?

a. 6 (x + 2) ^2 + 8x + 2 + 1 = 0

b. 6x^4 + 7x^2 - 3 = 0

c. 5x^6 + x^4 + 12 = 0

d. x^9 + x^3 - 10 = 0

Question

Mathematics

Shayna Moreno

3 April, 06:32

Which equation is quadratic in form?

a. 6 (x + 2) ^2 + 8x + 2 + 1 = 0

b. 6x^4 + 7x^2 - 3 = 0

c. 5x^6 + x^4 + 12 = 0

d. x^9 + x^3 - 10 = 0

+4

Answers (1)

Know the Answer?

Philip · Answer 1

Hello,

A is one: 6 (x+2) ²+8x+2+1=0==>6 (x²+4x+4) + 8x+3=0

==>6x²+32x+3=0

B is one (une bicarrée (two squared?)

6x^4+7x^2-3=0

==>6 (x²) ^2+7 (x²) - 3=0

C is not (a cubic one)

D is one x^9+x^3-10=0 (une bicarrée)

(x^3) ² + (x^3) - 10=0

Which equation is quadratic in form?a. 6 (x + 2) ^2 + 8x + 2 + 1 = 0b. 6x^4 + 7x^2 - 3 = 0c. 5x^6 + x^4 + 12 = 0d. x^9 + x^3 - 10 = 0

Which equation is quadratic in form?

a. 6 (x + 2) ^2 + 8x + 2 + 1 = 0

b. 6x^4 + 7x^2 - 3 = 0

c. 5x^6 + x^4 + 12 = 0

d. x^9 + x^3 - 10 = 0