Answer:
Step-by-step explanation:
The standard form of an equation of a parabola:
We have
<em>use distributive property: a(b + c) = ab + ac</em>
<em>use FOIL: (a + b)(c + d) = ac+ ad + bc + bd</em>
<em>combine like terms</em>
Answer:
4,7 times 6
i think
Step-by-step explanation:
Answer:
16
Step-by-step explanation:
Step 1: Write out expression
a²
a = -4
Step 2: Substitute
(-4)²
Step 3: Evaluate
16