Aquadratic is represented by y=x^2+x-20. use factoring to determine the zeros of this equation. explain what zeros represent on the graph of this equation

The zeroes are and

On the graph, each of these zeroes represent the x-value where the equation will intersect with the x-axis.

Step-by-step explanation:

We have the quadratic equation

To factor this we need to find two numbers that fulfill the following:

They add up to 1

They multiply to give you -20

These two numbers are -4 and 5

This means that the quadratic equation in its factored form will be:

Now that we have the factored form, we need to set and solve for x

From this factored form, we can see that when and the result will be zero. Just to check we can plug in each of these x values

The result of this confirms that x=4 and x=-5 are indeed the zeroes of this equation.

Each of these zeroes represent the x-value where the equation will intersect with the x-axis.

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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