3 years ago

Which of the following graphs is described by the function given below? y = 2x2 + 6x + 3

Mathematics

1 answer:

Alex777 [14]3 years ago

5 0

Answer: Graph A

Step-by-step explanation:

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5. When y varies directly with x, the value of y = -2 when x = 4. What is the value of y when x = 8?

zmey [24]

Answer:

-4

Step-by-step explanation:

if y = -2 then x = 4

what is y when x = 8

$\frac{ - 2}{x} = \frac{4}{8} \\ - 16 = 4x \\ x = - 4$

7 0

2 years ago

Pls pls help with this math

bixtya [17]

Answer:

7, -1

Step-by-step explanation:

x^2 - 6x + 7 = 0

(x - 7)(x + 1) = 0

==> x = 7, x = -1

5 0

3 years ago

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A little help on this question? Picture is below. (For 20 points.)

Elena L [17]

Answer:

a) 3 3/5

b) 18/5

c) 3.6

Hope this helps!

3 0

2 years ago

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PLS help 10 points & will give brainliest PLEASE bruh

LekaFEV [45]

Answer:

I hope it is correct ✌️

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2 years ago

What is the slope of the line that contains these points?x 15,17,19,21 y -10,2,14,26

9966 [12]

Answer:

Step-by-step explanation:

The slope (m) can be found using the formula ...

m = (y2 -y1)/(x2 -x1)

Any pair of points will do. We can use the first two.

m = (2 -(-10))/(17 -15) = 12/2

m = 6

The slope of the line is 6.

8 0

3 years ago