Answer:
Step-by-step explanation:
(2 - 3)/(4 - 0) = -1/4
y - 2 = -1/4(x - 4)
y - 2 = -1/4x + 1
y = -1/4x + 3
-7≤ r+3 ≤+7
-7-3 ≤ r ≤ 7-3
-10 ≤ r ≤ 4
Answer:
y = - (x - 3)² + 15
Step-by-step explanation:
using the method of completing the square
y = x² + 6x + 6 ← factor out - 1 from the first 2 terms
y = - (x² - 6x) + 6
to complete the square
add/subtract ( half the coefficient of the x- term )² to x² - 6x
y = - (x² + 2(- 3)x + 9 - 9) + 6
= - (x - 3)² + 9 + 6
= - (x - 3)² + 15
Answer
16.65
Step-by-step explanation:
We know that 30 is 5/6 of the list. So we can find out how many words are on the list with the following equation:
Solve for x by isolating it. First we multiply both sides by 6 to cancel out the one-sixth.
Next divide both sides by 5 to cancel out the 5 being multiplied to the x.
The answer is 36 words.