2 years ago

Please help me with this!!!!!!!!!!!!!!! MATHHHHHH

Mathematics

1 answer:

Alexeev081 [22]2 years ago

4 0

I can’t see anything on the screen

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Harry is trying to solve the equation y = 2x^2 − x − 6 using the quadratic formula. He has made an error in one of the steps bel

Bond [772]

He made a mistake in step #2. It seemed to be a trivial mistake because it involved signs, but it still had a great impact. Since step#2, his solution was already wrong.

Instead of
(-1)²-4(2)(-6) = 1 + 48 = 49

What he did is
(-1)²-4(2)(-6) = -1 + 48 = 47

4 0

2 years ago

Can you guys help me??????? really want to know what to do :)

eimsori [14]

Answer and Step-by-step explanation:

In the picture:

The graph is shaded to the right, because everything that is above -2 is allowed, so the shaded region is what is allowed to be true in this inequality.

The line is dotted because the inequality is only using greater than or less than, and not greater than or equal to, or less than or equal to.

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