Answer:
(4, -18)
Step-by-step explanation:
First Use this formula for the x -axis -b/2a
-8/2(1) is -4
Then plug in -4 to the equation
(-4)^2+8(-4)-2 = -18
Multiple 15 by 6, the answer is 90 square cm
It isn't proportional because 3/4 is proportional to 9/16 not 9/15.
Answer:
1. 73
2.-63
Step-by-step explanation:
1. 30+43=73
2. -84+21= 21-84=-63
Answer:
They add up to equal 90 degrees.
