PLEASE ANSWER AND EXPLAIN THE #3

Problem 1

Answers:

Explanation: You would use the rule mentioned above. Simply negate both x and y coordinates. That means you flip from positive to negative, or vice versa.

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Problem 2

Answers:

Explanation: When reflecting over the x axis, you flip the y coordinate from positive to negative, or vice versa. The x coordinate stays the same. This means a point like A(2,2) becomes A'(2,-2). Points on the x axis do not move.

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Problem 3

Part (a)

  24y-17

Work Shown:

f(x) = 8x-9

f(3y-1) = 8(3y-1)-9 .... replace every x with (3y-1)

f(3y-1) = 24y-8-9

f(3y-1) = 24y-17

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Part (b)

  x = -7/4

Work Shown:

f(x) = -23

8x-9 = -23 .... replace f(x) with 8x-9

8x = -23+9

8x = -14

x = -14/8

x = (-2*7)/(2*4)

x = -7/4

x=-2

infinite number of lines, so there is an infinite number of equations.

step-by-step explanation:

there are an infinite number of line that passes through the point (-2,5)

x=-2   is one line that passes through the point

y = 5 is another line that passes through the point

(these two lines are perpendicular to each other).

since the number of   numbers are infinite and the slope is the ratio of two numbers,(change in y over change in x) we can have an infinite number of slopes.     our only condition is that it passes through the point (-2,5)

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i hope this you! : d

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