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IgorC [24]
4 years ago
8

5) What point would be the reflection, across the x-axis, for the point (-8,-7)?

Mathematics
1 answer:
melisa1 [442]4 years ago
8 0

Answer: (8,-7)

Step-by-step explanation:  Since you are reflecting over the x-axis, the x coordinate stays the same, but the y coordinate does change. Instead of it being negative, the eight would become positive.

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Find g(x), where g(x) is the translation 3 units down of f(x)=x^2
Viefleur [7K]

Answer:

g(x)=x² -3

Step-by-step explanation:

Vertical and horizontal translations are the displacements of a function in the coordinate system (x, y). By transferring the graphical representation of a given function, we obtain representations of related functions. The graph of the translated function will always be the same as the original.

When performing a vertical translation of a function, the graph will move from one point to another determined point in the direction of the "y" axis, that is, up or down.

So, the algebraic expression of the parabola that results from moving the parabola f (x) = x² vertically is f (x) = x² + q

  • If q> 0, the parabola moves q units up.
  • If q <0, the parabola moves q units down.

So the vertex of the parabola is at the point (0, q).

So if the function f (x) = x² is translated 3 units down, the function g (x) will be:

<u><em>g(x)=x² -3</em></u>

5 0
3 years ago
A coin is tossed 8 times. each outcome is a sequence of 8 heads and/or tails. what is the number of possible outcomes where the
quester [9]
Using a calculator with the binompdf and binomcdf features, I can calculate these values. My calculator is a TI-83 plus, and the features are found under the 2nd, Vars keys (Scroll up or down until you see them).

If "exactly" is to be found, use binompdf: 
binompdf(number of trials, probability of success, exactly number)

ANSWER for exactly 3: binompdf(8, 0.5, 3) = 0.21875 = 21.875%

If "at least" is to be found, use binomcdf:
binomcdf(number of trials, probability of success, at least number - 1)

ANSWER for at least 6: binomcdf(8, 1/2, 5) ≈ 0.8555 ≈ 85.55%

If "at most" is to be found, use binomcdf:
binomcdf(number of trials, probability of success, at most number)

ANSWER for at most 3: binomcdf(8, 0.5, 3) ≈ 0.3633 ≈ 36.33%
7 0
3 years ago
Yolanda and her 3 brothers shared a box of 156 toy dinosaurs . About how many dilnosaurs did each kid get
anygoal [31]

Answer:

52

Step-by-step explanation:

You divide 156 by 3 and you get your answer 52. Therefore, each kid got 52 toys each.

8 0
3 years ago
Read 2 more answers
If<br> a = 60°<br> What does B and C equal to?
Orlov [11]

Answer:

are u sure this only the question or it came with a picture or something???

7 0
3 years ago
Beatrix ate 21 raisins. This represents 30% of the box of raisins. How many raisins were originally in the box?
leonid [27]
21/0.3= 70
there were 70 raisins in the box
8 0
3 years ago
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