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bonufazy [111]
3 years ago
11

{PLEASE HELP}

Mathematics
1 answer:
Scrat [10]3 years ago
4 0
I'm not sure what method you are supposed to use to graph this. I would do it the following way although you can also change it to vertex form of the equation and graph it using (h,k) and "a".
The way I'd do it..

vertex (-b/2a , y)
-b/2a = -2
plug in this value for x to find the y coordinate.
-4 +8 -3 = 1
vertex (-2, 1)
the negative in front of the x^2 flips the parabola upside down

So you graph an upside down parabola at (-2,1). It's symmetrical, input easy to do points if needed like x=0 , x=-4
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A/9=-4 One-step equations
worty [1.4K]
A=(-36). When finding variables, try multiplying the quotient and divisor to get your dividend. Also, when multiplying/dividing negative integers, if there is one negative integer, the answer will be negative. the only exception is when multiplying/dividing two negative integers, then it would be positive. -36/9=(-4)
7 0
2 years ago
1. 2X + 1 = Y<br> 2Y = 6<br> Show your work
slamgirl [31]

Answer:

x = 1

y = 3

Step-by-step explanation:

2x + 1 = y ------- eqn (1)

2y = 6--------eqn (2)

from eqn(2)

2y = 6

y = 3

when you divide 6 by 2y

substitute y = 3 into eqn (1)

2x + 1 = y

2x + 1 = 3

2x = 3-1

2x = 2

therefore

x = 1

4 0
2 years ago
Factor completely 2x3 + 6x2 + 2x + 6.
katovenus [111]

The answer is 2(x + 3)(x^2 + 1).

Steps:

2x^3 + 6x^2 + 2x + 6

2x^3 + 2x + 6x^2 + 6

2x(x^2 + 1) + 6(x^2 + 1)

(2x + 6)(x^2 + 1)

2(x + 3)(x^2 + 1)

4 0
3 years ago
Read 2 more answers
Jason used the commutative property to write an expression that is equivalent to 3
Elanso [62]

Answer: 0.22

Step-by-step explanation:

3 0
3 years ago
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Which statement is true about the y- intercept of a quadratic function
liraira [26]

Answer:

A. a quadratic function can only have one y-intercep

7 0
2 years ago
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