Two sets of quadratic expressions are shown below in various forms:

Line 1: x2 - x - 6 (x + 2) (x - 3) (x + 0.5) 2 - 6.25

Line 2: x2 - x - 2 (x + 1) (x - 2) (x - 0.5) 2 - 2.25

Which line contains three equivalent expressions?

Question

Mathematics

Bailey Ward

19 May, 14:11

Two sets of quadratic expressions are shown below in various forms:

Line 1: x2 - x - 6 (x + 2) (x - 3) (x + 0.5) 2 - 6.25

Line 2: x2 - x - 2 (x + 1) (x - 2) (x - 0.5) 2 - 2.25

Which line contains three equivalent expressions?

+3

Answers (2)

Know the Answer?

Carina Cross · Answer 1

1)

x²-x-6 = (x+2) (x-3)

(x+0.5) ²-6.25 = [x²+x+0.25]-6.25

=x²+x-6={x-3}{x+2}

2)

x²-x-2 = (x+1) (x-2)

= (x-0.5) ²-2.25={x²-x+0.25}-2.25

={x²-x-2}={x+1}{x-2}

Andrea Oneill · Answer 2

Only number 2 contains three equivalent expressions

Two sets of quadratic expressions are shown below in various forms:Line 1: x2 - x - 6 (x + 2) (x - 3) (x + 0.5) 2 - 6.25Line 2: x2 - x - 2 (x + 1) (x - 2) (x - 0.5) 2 - 2.25Which line contains three equivalent expressions?

Two sets of quadratic expressions are shown below in various forms:

Line 1: x2 - x - 6 (x + 2) (x - 3) (x + 0.5) 2 - 6.25

Line 2: x2 - x - 2 (x + 1) (x - 2) (x - 0.5) 2 - 2.25

Which line contains three equivalent expressions?