Question

Jane gave the following explanation for factoring the trinomial x2 + 5x + 6: “I need to find factors of 6 that add up to 5. 6 and –1 multiply to 6 and add up to 5 so my factors are (x + 6)(x – 1).”

Are Jane’s factors correct? If not, explain where she made her mistake.

What could Jane have done to check the accuracy of her factors before submitting her Module 3 test?

Answer 1

Not correct.
6 and -1 multiply to -6
Expand out

Answer 2

(x+2)(x+3)

Answer 3

okay so expand out is for what?

Answer 4

to see that she was wrong.

Answer 5

\[
(x-1) (x+6)=x^2+5 x-6
\]

Answer 6

kindof confused

Answer 7

confused about what?

Answer 8

so jane isnt correct and she made her mistake ......

Answer 9

yes

Answer 10

then what

Answer 11

You are done. If you do the 3 steps in my first post.

Answer 12

What could Jane have done to check the accuracy of her factors before submitting her Module 3 test?

Answer 13

\[
(x-1) (x+6)=x^2+5 x-6
\]

Answer 14

EXPLAIN where she made her mistake.

Answer 15

Expand out. I have said it 3 times already.

Answer 16

Bye.

Answer 17

goodbye