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Andrej [43]
3 years ago
9

Which of the following ordered pairs lies on the graph of h(x) = -2x²?

Mathematics
1 answer:
Delvig [45]3 years ago
8 0

Answer:

i think 1-2

Step-by-step explanation:

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Please help 20 POINTS. Problem is below!!
Helga [31]

10 units up means to add 10 to the y-coordinate of the vertex (h, k).

p(x) = 0.005(x - 40)² + 60

p(x) shifted up 10 units = 0.005(x - 40)² + (60 + 10)

                                q(x) =  0.005(x - 40)² + 70  


6 0
4 years ago
Hi can someone pls help me with this!!!
Eva8 [605]

the domain is the x value (first number) and the range is the y value (second number)

(if a number appears more than once in the domain or range, like in number 1 you don't have to write it again.)

to graph the domain and range you just plot the points,

and to map them you have to put the x values in the first oval and the y values in the second, usually in order from smallest to largest.

then you have to draw arrows connecting each x value to the y value that was in the same pair. just like when writing down the domain/range, if a number comes up again you don't have to write it down again. instead, you might have two or more arrows connecting to the same  number.

8 0
3 years ago
Which ordered pair would form a proportional retationship with the points in the graph?
shtirl [24]

Answer:

(9, 6)

Step-by-step explanation:

the given points are

(3, 2)

(6, 4)

so, can you see, how the sequence continues ?

I see immediately that for every 3 additional units of x we add 2 units of y.

so, yes, the next point in the sequence is

(6 + 3, 4 + 2) = (9, 6).

so, this point (or ordered pair) follows the same ratio or proportional relationship between x and y as the points already in the graph.

in other words, they are on the same line following the same slope ("y coordinate change / x coordinate change" when going from one point on the line to another).

7 0
2 years ago
What is the first step to solve the equation the equation 19 - 7h = 63?
dusya [7]

Answer:

Subtract 63 from both sides

Step-by-step explanation:

we always have to try to clear the incognita that in this case is going to be h

First we

Subtract 63 from both sides

then

Divide by -7 on both sides

19 - 7h = 63

19 - 7h - 19 = 63 - 19

- 7h = 44

-7h/-7 = 44/-7

h = -44/7

5 0
4 years ago
Read 2 more answers
PLEASE HELP ME!!!!!!!
Viefleur [7K]

Answer:

Step-by-step explanation:

x^2 + 2x = 6x+45

x^2 -4x -45 =0

x^2 - 5x +9x -45 =0

x(x-5) +9 (x-5)=0

(x-5)(x+9)=0

x = 5, -9

x = 5; measure of exterior angle = 5^2+2(5) = 35

x=-9; measure of exterior angle  = (-9)^2 + 2(-9) = 63

5 0
3 years ago
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