liner equation

L

latresa31s

Junior Member

Joined

Sep 4, 2005

Messages

135

• Sep 11, 2005

• #1

Can some one tell me how todo this problem I can only get the first step?

y=2x+7
(a) (0,?)
(b) (4,?)

complete the order pairs

 

G

Gene

Senior Member

Joined

Oct 8, 2003

Messages

1,904

• Sep 11, 2005

• #2

You just replace the x with the first of the pair and see what you get for y. The a) becomes
y=2*0+7 = 7
so (0,?) becomes (0,7)

 

L

latresa31s

Junior Member

Joined

Sep 4, 2005

Messages

135

• Sep 11, 2005

• #3

So How would it be for the second part?

y=2x+7

(4,?)

I did it lik this

y=2x+7
y=2*4+7
y=8+7
y=15
(4,15)

is this correct?

 

E

Euler

Junior Member

Joined

Jun 28, 2005

Messages

102

• Sep 11, 2005

• #4

Yes!