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PLEASE HELP

write this quadratic equation in factored form
y=x^2+6x+8


what does y equal?

find the x intercepts

User Fejd
by
4.3k points

1 Answer

9 votes

Answer:

y=(x+2)(x+4)

y=8

x = -4; x = -2

Explanation:

To convert this to a factored form equation, we must factor the equation. The units digit must multiply to be 8, and add up to 6. The only 2 numbers that fit this are 2 and 4. Then, to find the x-intercepts, we must make each set of parenthesis equal 0. -2+2=0 and -4+4=0

Finally, to find the y-intercept, plug in 0 for x, and all that is left is 8.

User Gaurav Gharat
by
4.8k points