Algebra Examples

Find the x and y Intercepts
f(x)=-8x-7f(x)=8x7
Step 1
Find the x-intercepts.
Tap for more steps...
Step 1.1
To find the x-intercept(s), substitute in 00 for yy and solve for xx.
0=-8x-70=8x7
Step 1.2
Solve the equation.
Tap for more steps...
Step 1.2.1
Rewrite the equation as -8x-7=08x7=0.
-8x-7=08x7=0
Step 1.2.2
Add 77 to both sides of the equation.
-8x=78x=7
Step 1.2.3
Divide each term in -8x=78x=7 by -88 and simplify.
Tap for more steps...
Step 1.2.3.1
Divide each term in -8x=78x=7 by -88.
-8x-8=7-88x8=78
Step 1.2.3.2
Simplify the left side.
Tap for more steps...
Step 1.2.3.2.1
Cancel the common factor of -88.
Tap for more steps...
Step 1.2.3.2.1.1
Cancel the common factor.
-8x-8=7-88x8=78
Step 1.2.3.2.1.2
Divide xx by 11.
x=7-8x=78
x=7-8x=78
x=7-8x=78
Step 1.2.3.3
Simplify the right side.
Tap for more steps...
Step 1.2.3.3.1
Move the negative in front of the fraction.
x=-78x=78
x=-78x=78
x=-78x=78
x=-78x=78
Step 1.3
x-intercept(s) in point form.
x-intercept(s): (-78,0)(78,0)
x-intercept(s): (-78,0)(78,0)
Step 2
Find the y-intercepts.
Tap for more steps...
Step 2.1
To find the y-intercept(s), substitute in 00 for xx and solve for yy.
y=-80-7y=807
Step 2.2
Solve the equation.
Tap for more steps...
Step 2.2.1
Remove parentheses.
y=-80-7y=807
Step 2.2.2
Simplify -80-7807.
Tap for more steps...
Step 2.2.2.1
Multiply -88 by 00.
y=0-7y=07
Step 2.2.2.2
Subtract 77 from 00.
y=-7y=7
y=-7y=7
y=-7y=7
Step 2.3
y-intercept(s) in point form.
y-intercept(s): (0,-7)(0,7)
y-intercept(s): (0,-7)(0,7)
Step 3
List the intersections.
x-intercept(s): (-78,0)(78,0)
y-intercept(s): (0,-7)(0,7)
Step 4
Enter YOUR Problem
Mathway requires javascript and a modern browser.
 [x2  12  π  xdx ]  x2  12  π  xdx  
AmazonPay