Translation i think. because it is not reflection nor rotation
Answer:
x=-4
y=7
z=14
Step-by-step explanation:
Answer:
45%
Step-by-step explanation:
(630 / 1400) * 100 = 45%
Answer:
55% of the students surveyed said their favorite color was blue
Step-by-step explanation:
as a percent = 55%, or 0.55 in decimal form.
Answer:
<h2>
k = 3</h2>
Step-by-step explanation:
The vertex is (d, e)
for quadratic function: f(x) = ax² + bx + c we have:
d = -b/a and d = (x₁ + x₂)/2
a = 1, b = k, x₁ = -4, x₂=-2
so:
d = -b/a = -k/1 = -k and d = (x₁ + x₂)/2 = (-4-2)/2 = -3
-k = -3
k = 3