1) consistent system. at least one solution.
2) inconsistent system. no solutions (the lines are parallel)
3) dependent system. equations have same slope and y-intercept(same line)independent system.
4) equations have different slopes(2 intersecting lines)
im not sure if thats what you were looking for
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Base = x
height = x-4
Area = .5 * height * base
48 = .5 * (x-4) * x
96 = x^2 -4x
x^2 -4x -96=0
x = 12
base = 12
height = 8
The triangle is a right triangle so use the Pythagorean theorem.
a² + b² = c²
15² + b² = 17²
225 + b² = 289
b² = 64
b = √64
b = 8
Hope this helps :)
Let's have a look:
2(4)= 8 (this would not work)
5(4)= 20 (this wouldn't work)
7(4)= 28 This does, let's check the others.
7(6)= 42 This does not work.
"D" would be the correct answer.
I hope this helps!
~cupcake
