To find the slope, use the slope(m) formula:
and plug in the two points
(0, 5) = (x₁, y₁)
(-9, -4) = (x₂, y₂)
[two negatives cancel each other out and become positive]
m = 1 The slope is 1
If segment AB is perpendicular to segment CD, then a right angle (90°) is formed.
7x + 27 = 90
7x = 63
x = 9
Answer:
-2
Step-by-step explanation:
The coefficient is the number in front of the variable.
Answer: 6 for $7.50
Step-by-step explanation:
6 * 1.30 = $7.80
6 for $7.50