You're trying to enlarge an image that is 4 centimeters tall and 10 centimeters wide onto a billboard that is 3 meters tall and 8 meters wide. what is the height scale?

The height scale is 75

Solution:

Given that you are trying to enlarge an image that is 4 centimeters tall and 10 centimeters wide onto a billboard that is 3 meters tall and 8 meters wide

We have to find the height scale

From given information,

Height of original image = 4 cm

Height of enlarged image = 3 meters

Both the units are different.

Let us convert 4 cm to meter

Use the following conversion factor

1 cm = 0.01 meter

4 cm = 4 x 0.01 meter = 0.04 meter

What is the height scale?

Height scale is found by following:

Thus height scale is 75

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a