Answer:
x1=-4 x2=2
Step-by-step explanation:
Given 4 boxes of pencils cost $5,
Unknown- slope
$1.25 per box since $5/boxes
Equation y=mx+b
Substitute $1.25/per box for m
Solve y=$1.25x
The Check
$5=$1.25/per box(4 boxes)
$5=$5
Answer:
$136
Step-by-step explanation:
x = per hour
y = total profit
4 + 4 = 8
Equation:
y = 18x - 8
y = 18(8) - 8
y = 144 - 8
y = 136
Answer:
The scale factor would be 1/3
Step-by-step explanation:
Find the scale factor by comparing the heights of the preimage and image.
The height of the image is 4 and the height of the preimage is 12
So the scale factor is 4/12, which can be simplified to 1/3