SOLUTION: Find the x-intercepts. y = x2 + 3x � 10

Question 172405: Find the x-intercepts. y = x2 + 3x � 10

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Set the right side equal to zero.

Notice we have a quadratic equation in the form of where , , and

Let's use the quadratic formula to solve for x

Start with the quadratic formula

Plug in , , and

Square to get .

Multiply to get

Rewrite as

Add to to get

Multiply and to get .

Take the square root of to get .

or Break up the expression.

or Combine like terms.

or Simplify.

So the answers are or

Which means that the x-intercepts are (2,0) and (-5,0)

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