Algerbra 1 what is the justification for each step
1 answer:
Hi there!
Here we go:
2x + 1 ≤
You need to multiply each side of the equation by 2
4x + 2 ≤ 3(x + 1)
You need to distribute the 3 to the entire parentheses
4x + 2 ≤ 3x + 3
You need to subtract 3x from each side of the equation
x + 2 ≤ 3
You need to subtract 2 from each side of the equation
x ≤ 1
There you go! I really hope this helped, if there's anything just let me know! :)
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Answer:
B'(16,14)
Step-by-step explanation:
First find the coordinates of the vertex B. The center of the square M is the midpoint of the diagonal AC. Since A(2,7) and C(8,1), the center has coordinates
Point M is also the midpoint of the diagonal BD. Let B has coordinates (x,y), then
Hence, B(8,7).
Now, the dilation by a scale factor 2 with the center of dilation at the origin has the rule
(x,y)→(2x,2y).
Thus,
B(8,7)→B'(16,14).