Answer:
x₁ = -4
x₂ = 3
Step-by-step explanation:
x²+ x + 12 = 0
x = {-1±√((1²)-(4*1*-12))} / (2*1)
x = {-1±√(1+48)} / 2
x = {-1±√49} / 2
x = {-1±7} / 2
x₁ = {-1-7} / 2 = -8/2 = -4
x₂ = {-1+7} / 2 = 6/2 = 3
Check:
x₁
-4² + (-4) - 12 = 0
16 - 4 - 12 = 0
x₂
3² + 3 - 12 = 0
9 + 3 - 12 = 0
A. 0.65 < 0.77 0.77 is greater than 0.65
Answer:
the 2nd on (B)
Step-by-step explanation:
The x does not repeat
Step-by-step explanation:
3.38 × 
is the scientific notation of 3,380,000
The answer is y=4x+3, it's already in slope intercept form.
