<span>x intercept when f(x) = 0
so
</span><span>x^2-81 = 0
x^2 = 81
x = + 9 and x = -9
Answer
</span><span>C -9</span>
Answer:
c
Step-by-step explanation:
Answer: 6 weeks
Step-by-step explanation: $54 x 6 = $324
(3 + 2i) + (-4 + 6i)
Get rid of the parenthesis.
3 + 2i - 4 + 6i
Note how we got rid of the (+) sign in +(-4). We do this because a negative times a positive is always going to be a negative.
Combine like terms.
(2i + 6i) + (3 - 4)
Simplify.
8i - 1
~Hope I helped!~
