Question

What is the equation of the line that passes through the point (2, 5) and has a slope of 2?

y = 2x + 1

y = 2x + 3

y = 2x - 8

y = 2x - 3

Answer 1

(x,y) --> (2,5)
m = slope = 2
y = mx + b
input your values, solve for b(yintercept).

Answer 2

so 5 = 2x + 5 ?

Answer 3

m = 2
x = 2
y = 5


y = mx + b

y = 2x + b ... plug in m = 2 (the given slope)

5 = 2*2 + b ... plug in (x,y) = (2,5) (the given point)

now solve for b

Answer 4

I'm still confused .. im not getting it

Answer 5

do you see how I got 5 = 2*2 + b ?

Answer 6

you plugged the numbers in ?

Answer 7

yes, I plugged in the given slope ( m ) and the given point (x,y)

Answer 8

you now need to solve for b

in other words, you need to isolate b

Answer 9

so how would i do that ?

Answer 10

@jim_thompson5910

Answer 11

I'll get you started and let you finish

5 = 2*2 + b

5 = 4 + b

5 = b + 4

b + 4 = 5

b = ???

Answer 12

1

Answer 13

correct

Answer 14

thank you so much ! :)

Answer 15

m = 2 (given slope)
b = 1 (what you just solved for)


y = mx + b

y = 2x + 1

Answer 16

sure thing