## If the graph of the linear equation ax-8y=15 has an x-intercept at (3,0), then what is the value of a?

Question

If the graph of the linear equation ax-8y=15 has an x-intercept at (3,0), then what is the value of a?

in progress 0
2 months 2021-08-25T17:32:34+00:00 1 Answers 2 views 0

Slope= 2.000

0.250

=0.125

x−intercept=115=15.00000y−

intercept= −8 15=−1.87500

Step-by-step explanation:

1.1     Solve   x-8y-15  = 0

Tiger recognizes that we have here an equation of a straight line. Such an equation is usually written y=mx+b (“y=mx+c” in the UK).

“y=mx+b” is the formula of a straight line drawn on a Cartesian coordinate system in which “y” is the vertical axis and “x” the horizontal axis.

In this formula :

y tells us how far up the line goes

x tells us how far along

m is the Slope or Gradient i.e. how steep the line is

b is the Y-intercept i.e. where the line crosses the Y-axis

The X and Y intercepts and the Slope are called the line properties. We shall now graph the line  x-8y-15  = 0 and calculate its properties