Finite Math Examples
m=12m=12 , (0,9)(0,9)
Step 1
Step 1.1
Use the formula for the equation of a line to find bb.
y=mx+by=mx+b
Step 1.2
Substitute the value of mm into the equation.
y=(12)x+by=(12)x+b
Step 1.3
Substitute the value of xx into the equation.
y=(12)⋅(0)+by=(12)⋅(0)+b
Step 1.4
Substitute the value of yy into the equation.
9=(12)⋅(0)+b9=(12)⋅(0)+b
Step 1.5
Find the value of bb.
Step 1.5.1
Rewrite the equation as 12⋅0+b=912⋅0+b=9.
12⋅0+b=912⋅0+b=9
Step 1.5.2
Simplify 12⋅0+b12⋅0+b.
Step 1.5.2.1
Multiply 1212 by 00.
0+b=90+b=9
Step 1.5.2.2
Add 00 and bb.
b=9b=9
b=9b=9
b=9b=9
b=9b=9
Step 2
Now that the values of mm (slope) and bb (y-intercept) are known, substitute them into y=mx+by=mx+b to find the equation of the line.
y=12x+9y=12x+9
Step 3