(30 POINTS) PLZ HELP THIS IS IMPORTANT

Mathematics

2 answers:

telo118 [61]3 years ago

4 0

Answer:

x 1 2 5 7

y 5 10 25 35

Step-by-step explanation:

The y values are the x values times 5

Please rate <u>Brainliest</u> (:

Vika [28.1K]3 years ago

3 0

Answer:

x 1 2 5 7

y 5 10 25 35

Step-by-step explanation:

The y values are all just the x values times 5

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slava [35]

Answer:

D) x= $\frac{-2+-2\sqrt{7} }{3}$

Step-by-step explanation:

The quadratic formula is : $\frac{-b+-\sqrt{b^2-4ac} }{2a}$

A in terms of this question=9

B in terms of the question is 12

C in terms of the question is -24.

This question is an example of a quadratic equation. To work this out you may first need a calculator. The first step is to substitute the values of a,b and c into the formula. So once substituted the formula of $\frac{-b+-\sqrt{b^2-4ac} }{2a}$ becomes $\frac{(-12)+-\sqrt{(12)^2-4*(9)*(-24)} }{2(9)}$ . Although when written in a calculator there will not be a plus and minus button and so you would have to do this separately.