X = -b/2a
x = -8/4
x = -2
Plug -2 in for x and solve for y
y = 2(-2)^2 + 8(-2) -3
y = 8 -16 -3
y = -11
Vertex (-2, -11)
Answer:
b + 24
Step-by-step explanation:
b and 24 would be b + 24
Answer:
4:18 and 6:27
Step-by-step explanation:
Answer:
The length of side x is 22.91
Step-by-step explanation:
As per law of cosine

Where
degrees
a = 20
b = 27
Substituting the given values in above equation, we get -

Hence, the length of side x is 22.91