A quadratic equation is written in four equivalent forms below.

1 answer:

8 0

Answer: III. y = x^2 - 2x - 48

The y intercept are the points on the graph where the curve hits the y-axis, so it’s the point where x=0
With the equation y=x^2 - 2x - 48 we can easily plug in 0 for x and see that the when x is zero, y is -48.

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Enduro solved -4x > 120 by adding 4 to each side of the inequality. What mistake did he make?

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The mistake made by Enduro is that he is supposed to divide both sides by -4 instead of adding 4 to each sides

<h3>What are inequalities?</h3>

Inequalities are expressions that have unequal values, when compared

<h3>How to determine Enduro's mistake?</h3>

The inequality is given as

-4x > 120

When 4 is added to both sides, the inequality becomes

4 - 4x > 120 + 4

The above is not the solution to the inequality.

The solution is as follows:

We have:

-4x > 120

Divide both sides inequality by -4

x < -30

Hence, the mistake made by Enduro is that he is supposed to divide both sides by -4 instead of adding 4 to each sides