Answer:
56.25
Step-by-step explanation:
Hello!
To complete the square
- we take the b-value
- Divide it by 2
- And square it
<h3>Complete the square:</h3>
We add 56.25 to both sides.
Answer:
45
Step-by-step explanation:
Assuming this is a trapezoid,
The answer is y=4x/5+7 because
x=0
y=4×0/5+7
y=7
If you want to know whether 2 lines are perpendicular, just multiply the gradients and check if it's -1:
-4/5 ×5/4 = -1