Friday
May 24, 2013

# Homework Help: algebra

Posted by Kelsay on Monday, August 29, 2011 at 12:44pm.

For the equation 9x + 15y = 4(2x - 7), the y-intercept is at the coordinate (0,y). What is the value of y? Type in your answer as a decimal rounded to the nearest hundredth.

• algebra - Anonymous, Monday, August 29, 2011 at 1:27pm

9x + 15y = 4( 2x - 7 )

The y-intercept is value of y when x=0

For x = 0

9 * 0 + 15y = 4 * ( 2 * 0 - 7 )

0 + 15y = 4 * ( 0 - 7 )

15y = 4 * ( -7 )

15y = -28 Divide both sides with 15

y = -28 / 15

y = -1.866666666666...

y = -1.87
rounded to the nearest hundredth

Related Questions

college algebra - For the given equation list the intercepts. Y= -2X/(X^2+1) I ...
algebra 2 - what is the y-intercept, the x-coordinate of the vertex and the ...
ALGEBRA - Find the coordinates of the midpoint for the following equation: y...
Algebra - Find the slope and y intercept. 3 - 1/2y=2x, 2y+9x+2=11+9x
math (please check my work) - find the equation (in slope intercept form) the ...
Algebra: Check please!!! - 1. Find the x-intercept and the y-intercept of 8x - ...
algebra - find the slope and the y-intercept of the line. write fractional ...
algebra - can you check my answers? i have to write the slope intercept form of ...