Thursday

November 27, 2014

November 27, 2014

Posted by **elizabeth** on Monday, April 20, 2009 at 4:40pm.

X= 4 5 6 7 12

Y= -2 0 2 4 ?

- math -
**Lily**, Monday, April 20, 2009 at 4:55pmWhat is the y-intercept?

- math -
**Lily**, Monday, April 20, 2009 at 4:57pmDo you need to find the ? as well?

- math -
**Reiny**, Monday, April 20, 2009 at 5:07pmPick any two points to calculate the slope as 2

(or notice that for every increase of 1 in the x, the y increases by 2, so rise/run = 2/1 )

so equation is y = 2x + b

plug in (5,0)

0 = 2(5) + b

b = -10

so

y = 2x -10

then if x=12

y = 24-10 = 14

**Answer this Question**

**Related Questions**

Math-Equations - Help: I need an equation for the following problems: When x=25...

MATH - make an input-output table for the equation y= -x-2 using the domain 0,1,...

Math - Rey is playing a game. For every 2 steps forward he takes, he takes one ...

math plz help - Task 2: Use the table to complete each part. a. Copy the table. ...

Math - complete the function table below for the function F(x) =x2=2 . the ...

math - the table below shows some values for the function f. if f is a linear ...

Math - What is an equation for the function that gives the values in the table? ...

Math - What is an equation for the function that gives the values in the table? ...

Math - What is an equation for the function that gives the values in the table? ...

math - Mang jose wants to make a table which has an area of 8 m^2. The length of...