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MrRa [10]
3 years ago
12

A line passes through the points (2,-2) and (-6, 2). The point (a, -4) is also one the line. What is the value of a

Mathematics
2 answers:
artcher [175]3 years ago
6 0

Answer:

D: 6

Step-by-step explanation:

I took the test :)

V125BC [204]3 years ago
3 0

Answer:

b

Step-by-step explanation:

1

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I would recommend using the scale factor technique. You see how the length is reduced by a factor of 4? Well since the perimeter's formula involves adding length times width, you can just multiply the perimeter by 1/4 since the length went from 44 to 11(Just a rule, take it by heart). That means that the perimeter is \frac{156}{4} = 39.

The area is multiplied, not added, so you have to <em>square</em> the scale factor. This means multiply the area by 1/16 (Another rule, take it by heart). This means that the area is [tex]\frac{1496}{16} = between 94 and 95
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