PLEASE HELP ! I need this grade . For each equation, tell whether it is always, sometimes, or never true. Explain your reasoning
by showing your steps or using words.
a) 5 - 22 = 6
b) y + 5 =
9+10
2
c) 3.c + 7 = 3 (x + 1)
d) 5x-1=9
a) 5 - 22 = 6
b) y + 5 =
9+10
2
c) 3.c + 7 = 3 (x + 1)
d) 5x-1=9
1 answer:
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Solution: The dilation of gk by a scale factor of 2 centered at (-2,-4) is and
.
Explanation:
It is given that the scale factor is 2 and center of dilation is (-2,-4).
If the center of dilation is (a,b) with scale factor k, then the dilation of a point P(x,y) is determined by the given formula.
.....(1)
To find the g' substitute x=0, y=0, a=-2, b=-4 and k=2 in equation (1).
To find the k' substitute x=4, y=4, a=-2, b=-4 and k=2 in equation (1).
Therefore, the dilation of gk by a scale factor of 2 centered at (-2,-4) is and
.