Algebra Examples

Find the x and y Intercepts
f(x)=x+2
Step 1
Find the x-intercepts.
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Step 1.1
To find the x-intercept(s), substitute in 0 for y and solve for x.
0=x+2
Step 1.2
Solve the equation.
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Step 1.2.1
Rewrite the equation as x+2=0.
x+2=0
Step 1.2.2
Subtract 2 from both sides of the equation.
x=-2
x=-2
Step 1.3
x-intercept(s) in point form.
x-intercept(s): (-2,0)
x-intercept(s): (-2,0)
Step 2
Find the y-intercepts.
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Step 2.1
To find the y-intercept(s), substitute in 0 for x and solve for y.
y=(0)+2
Step 2.2
Solve the equation.
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Step 2.2.1
Remove parentheses.
y=0+2
Step 2.2.2
Remove parentheses.
y=(0)+2
Step 2.2.3
Add 0 and 2.
y=2
y=2
Step 2.3
y-intercept(s) in point form.
y-intercept(s): (0,2)
y-intercept(s): (0,2)
Step 3
List the intersections.
x-intercept(s): (-2,0)
y-intercept(s): (0,2)
Step 4
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 [x2  12  π  xdx ] 
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