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STALIN [3.7K]
2 years ago
14

Which of the following is a reflection of y = |x|

Mathematics
1 answer:
pishuonlain [190]2 years ago
5 0

The graph of y=|x| would look like graph A

The reflected graph (mirrored image) would be graph D

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How do I divide with fractions?
meriva
4/5 ÷ 5/3

4/5 * 3/5 

12/25




5 0
3 years ago
Vertex form is f(x)=a(x-p)^2 +q. How do i determine a?
slamgirl [31]
Y1 is the simplest parabola.  Its vertex is at (0,0) and it passes thru (2,4).  This is enough info to conclude that y1 = x^2.

y4, the lower red graph, is a bit more of a challenge.  We can easily identify its vertex, which is (-4,0), and several points on the grah, such as (2,-3).

Let's try this:  assume that the general equation for a parabola is 
y-k = a(x-h)^2, where (h,k) is the vertex.  Subst. the known values,

-3-(-4) = a(2-0)^2.  Then 1 = a(2)^2, or 1 = 4a, or a = 1/4.

The equation of parabola y4 is   y+4 = (1/4)x^2

Or you could elim. the fraction and write the eqn as 4y+16=x^2, or

4y = x^2-16, or    y = (1/4)x - 4.  Take your pick!  Hope this helps you find "a" for the other parabolas.


8 0
3 years ago
The radio of boys to girls in a school is 4:5 there are 80 girl. How many boys are there?
love history [14]

Answer:

64=boys

Step-by-step explanation:

Boys to girls

4:5

80=girls

80÷5=16×4=64

6 0
2 years ago
Could someone please show me how to figure this problem out?
elixir [45]
The baby blue whale weighs 30 pounds, since 120 divided by 40 is 30.
5 0
2 years ago
Hey -
Katen [24]

Answer:

4-3=1

8+9=17

7 x 2= 14

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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