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Pre Alg (Check my work?)

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1.) In which Quadrant is the point (x,y) located if x is negative and y is positive?

II
III
IV (MY ANSWER)
I

2.) Point A(5,-10) is reflected over the Y axis. Write the coordinates of A'.

(-8,-10)
(8,10)
(8,-10) MY CHOICE
(-8,10)

3.) At the half-tame show, a marching band marched in formation. The lead drummer started at a point with coordinates (-2,-5) and moved 3 steps up and 1 step right.

a.. Write a rule to describe the translation
b. What were the coordinates of the drummers final position?

  • Pre Alg (Check my work?) -

    #1 QII
    #2 Assuming a typo and A=(8,-10), then A'=(-8,-10)
    #3 (x,y)->(x+1,y+3)
    (-2,-5)->(-1,-2)

    Looks like you have some reviewing to do. There are lots of web sites out there which discuss the topic and provide examples.

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