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3 votes
Which expressions represent a quadratic expression in factored form?

Select all the correct answers.

x2 − x − 72
(x + 3)(x − 7)
-8(x + 56)
(x + 1)(x − 2)
(x − 2) + (x + 3)

User Inarighas
by
8.7k points

2 Answers

5 votes

Answer:

quadratic equation is 2 degree polynomial

x2 - x -72 = x2 - 9x +8x -72

x(x - 9 ) + 8(x - 9) = (x -9) (x+8)

1st correct - quadratic

2nd correct - quadratic

3rd - it's linear equation, not quadratic

4th - correct - quadratic

5th - linear - not correct

User Zusee Weekin
by
8.7k points
1 vote

Answer:Quadratic equation is a second degree equation.

Explanation:

option A,B and D are correct.

Which expressions represent a quadratic expression in factored form? Select all the-example-1
Which expressions represent a quadratic expression in factored form? Select all the-example-2
User Remco Haszing
by
9.6k points

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