It looks like ∆ is defined as
<em>a</em> ∆ <em>b</em> = (<em>a</em> + <em>b</em>)² + 5
If that's the case, then
1 ∆ (-4) = (1 + (-4))² + 5 = (-3)² + 5 = 9 + 5 = 14
-3.132 is the answer, you just had to multiply all of them one at a time (:
Answer:
between 7 and 8
Step-by-step explanation:
Answer:
(-5,-3.5) is the midpoint
Step-by-step explanation:
See photo for the step-by-step explanation
Answer:
D
Step-by-step explanation: