SOLUTION: Find the x and y intercepts for the given equation
{{{y=-x^2+3x+18}}}
Algebra.Com
Question 130701: Find the x and y intercepts for the given equation
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
To find the x-intercept, plug in
Start with the given equation
Plug in
Factor the right side
Now set each factor equal to zero:
or
or Now solve for x in each case
So our x-intercepts are
(-3,0) and (6,0)
To find the y-intercept, plug in
Start with the given equation
Plug in
Raise 0 to the 2nd power to get 0
Multiply 3 and 0 to get 0
Add 0 and 0 to get 0
Add 0 and 18 to get 18
So the y-intercept is (0,18)
Notice if we graph we can visually verify our answer.
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