Solve for . Write the smaller solution first, and the larger solution second.
(x - 1)² – 9=0
1 answer:
Answer:
-2 , 4
Step-by-step explanation:
(x - 1)² – 9=0
(add nine to both sides)
(x - 1)² = 9
(square root both sides)
x - 1 = (positive or negative) 3
(add 1)
x = 4 or -2
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Answer:
4√ 2 ≈5.66 to 2 dec. places
Step-by-step explanation:
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Y=(2x+5)/2
For y=0
x=-5/2
For x=0
y=5/2
r = - 18
multiply both sides by 3 to eliminate the fraction
3 × 6 = - r ⇒ 18 = - r ⇒ r = - 18
Answer:
X=3
Step-by-step explanation:
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