Answer:
A. Scalene since all sides have different lengths
E. Right since it has a right angle
Answer:
A (3,-2)
Step-by-step explanation:
x = t-1
y = -sqrt(t)
Let t= 4
x = 4-1 = 3
t = -sqrt(4) = -2
The (x,y) coordinate is (3,-2)
Answer:
P(-1) = -18
Step-by-step explanation:
P(x) = x^4 +5x^3 -4x-18
p(-1) = (-1)^4 + 5(-1) -4(-1) -18
P(-1) = 1 -5 +4 -18
= -4+4-18
= -18