Hello
x²-2x-8=0
(x²-2x+1)-1-8=0
(x-1)² -3² =0
(x-1+3)(x-1-3)=0
(x+2)(x-4)=0
x+2=0 or x-4=0
x=-2 or x=4
<span>the roots in Z</span>
Answer:
Step-by-step explanation:
248miles ÷ 4hrs = 62mph
62mph × 6 hrs = 372miles
Mr. Chung will have driven <u>372 miles</u> in 6 hours
Answer:
A
Step-by-step explanation:
Calculate the slope m using the slope formula
m =
with (x₁, y₁ ) = (3, 11) and (x₂, y₂ ) = (6, 17) ← ordered pairs from the table
m = = = 2 → A
Answer:
9ft wide 12ft long
Step-by-step explanation:
The original price of the shirt is 22
The price was reduced by 40% = 22*40/100 = 8.8
The price after sale = 22.0 - 8.8 = 13.2