Slope intercept form: y = mx+ b
m = slope
b = y-intercept
Since we don't have "b", thats what we need to solve for.
-4 = -3/4(8) + b
-4 = 6 + b
-10 = b
Put everything we know back into the original form.
y = -3/4x - 10
Best of Luck!
Answer:
Step-by-step explanation:
The diagonal of a three dimensional rectangle is defined as
d^2=x^+y^2+h^2 solving for h
h^2=d^2-x^2-y^2
h^2=13^2-3^2-4^2
h^2=169-9-16
d^2=144
d=12
Answer:
5 kilometers north
Step-by-step explanation:
5 kilometers east 5 right
5 kilometers south 5 down
5 kilometers west 5 left
The right and left cancel and we are just 5 down
5 kilometers south, 5 down
We are now a total of 10 down
and 5 kilometers north 5 up
We are now only 5 down
We need to go 5 up to get back where we started
We need to go 5 km north
Y = 3x + 4
x + y = 8
Substitute 3x + 4 in for y in the second equation.
x + 3x + 4 = 8
Combine like terms.
4x + 4 = 8
Subtract 4 from both sides.
4x = 4
Divide 4 off of both sides to find the value of x.
x = 1
Now plug 1 into the second equation for x.
1 + y = 8
Subtract 1 from both sides.
y = 7
(1,7) is the final answer.