What is the rule for reflecting over the y axis

Mathematics

2 answers:

vlabodo [156]4 years ago

5 0

Answer:

A reflection of a point over the y -axis is shown. The rule for a reflection over the y -axis is (x,y)→(−x,y) .

Step-by-step explanation:

finlep [7]4 years ago

5 0

Answer:

Step-by-step explanation:

The rule for reflecting over the y-axis is simple. Say you have the points (-8, 7) and you plot them on the graph. Your question says to reflect those points across the y-axis. Your new coordinates would then be shown as (8, 7). As you can see, the x-value is now the opposite of the x-value before reflecting across the y-axis. I hope this helped.

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zheka24 [161]

Answer:

$\frac{200}{3}$ square units

Step-by-step explanation:

Knowing the function and that the triangle is formed by both the x and y-axis, you already have the triangle's height, which is 10 (the y-intercept of the functon) To find the base length, all you have to do is find the x-intercept. To do that, simply:

Set function equal to 0 and solve for x:

f(x) = 10 - $\frac{3}{4}$ x