Use y = mx + b
plug in what you are given
m = slope so that is 2
y = 2x + b
then plug in the x and y coordinates to solve for b
5 = 2(2) + b
5 = 4 + b
subtract 4 from both sides
1 = b
The equation: y = 2x + 1
plug in the x- coordinate of the second point (that has the missing y-coordinate)
y = 2(4) + 1
Solve
y = 8 + 1
y = 9
The missing y-coordinate of the second point is 9 so the coordinate point looks like (4, 9).
Hope this helps :)
Direct variation should be called linear variation.
In this case, the answer is B.
A has the quadratic variation, C has the inverse variation, D has the cubic variation
Answer:
Yoy answer is x=10
Step-by-step explanation:
We already know what ∠GEF is 23°
so you would have to create an equation like this
you add 23+1=24 and get subtract 5x on both sides
subtract 4 on both sides
divide 2 x=10
∠DEF=7(10)=70+4=74
∠DEG=5(10)=50+1=51
To check 51+23=74
(x - 2)(x + 2)
(x² + 2x - 2x - 4)
x² - 4