Question

will give medal and fan(:
Write the equation of the line that passes through the points (3, 6) and (5, 18) using function notation.

f(x) = 2x + 12
f(x) = 6x − 12
y = 2x + 12
y = 6x − 12

Answer 1

This question wants you to fill in the function f(x) = mx - b

Answer 2

m stands for the slope. To find the slope you use the average rate of change formula:\[\frac{ y2-y1 }{ x2 - x1 }\]

Answer 3

You fill it in with the points given to you in the question: (3,6) and (5,18). Can you fill the formula in? (If not just tell me and I will walk you through it)

Answer 4

@lexber

Answer 5

no i cant i need help @isaiahjwolfe

Answer 6

Okay, let's take (3,6). The x and y in a point is (x,y). So in (3,6) x = 3, and 6 = y. Let's insert these into our formula:\[\frac{ y2 - 6 }{ x2 - 3 }\]

Answer 7

okay

Answer 8

Know that I showed you how to insert one point, can you insert (5,18) into the formula?

Answer 9

Now*

Answer 10

umm

Answer 11

idk this is hard for me im really bad at math

Answer 12

Can you identify the x and y in (5,18)?

Answer 13

yes i think

Answer 14

What are they

Answer 15

y2=5 and x2=18

Answer 16

Yes!

Answer 17

yay!

Answer 18

So now let's insert them into the formula:\[\frac{ 18 - 6 }{ 5 - 3 }\]Can you solve it?

Answer 19

6/2
?

Answer 20

Yup, I think B will be your answer

Answer 21

I have to go, I hope you do well on your quiz :)