Question

If x = -3, then x^2-7x + 10 equals
A.22
B.37
C.40

Answer 1

Wherever you see an x, replace it with -3. Then evaluate


x^2-7x + 10


(-3)^2-7(-3) + 10


9-7(-3) + 10


9+21 + 10


30 + 10


40



So that means x^2-7x + 10 equals 40 when x = -3

Answer 2

OMG You explained it so much better! Thanks!

Answer 3

you're welcome