Answer:
AAA similarity
Step-by-step explanation:
∠A = ∠Q = ∠Y = 50°
∠B = ∠P = ∠Z = 60°
∠C = ∠R = ∠X = 70°
So,
ΔABC ~ ΔQPR
ΔPQR ~ ΔZYX
ΔZYX ~ ΔBAC
Answer:
Plus or minus 12
Step-by-step explanation:
You can indeed use the quadratic formula (a = 3, b = 0, c = -432), but that'd be overkill. Instead, simplify the given 3y^2 = 432 by dividing both sides by 3: y^2 = 144. Next, take the sqrt of both sides, remembering to preface your answers by "plus or minus:" y = plus or minus sqrt(144) = plus or minus 12.
Answer:
-4
Step-by-step explanation:
f(x)=-2x^2 - 3x + 5
Let x = -3
f(-3) = -2(-3)^2 -3(-3) +5
-2 *9 +9 +5
-18+9+5
-4