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Ipatiy [6.2K]
4 years ago
10

Need help please and thanks

Mathematics
1 answer:
AlexFokin [52]4 years ago
5 0
<h3>Answer: C.  I, II, and III only</h3>

Basically everything but statement IV is true

Horizontal lines always have a slope of 0 to indicate no rise is going on.

Vertical lines have undefined slopes which you can see through the slope formula (recall that you cannot divide by zero).

Line 'a' goes through the point (5,0) making statement III true. However, statement IV is false because (-5,0) is not on line b. Line b is parallel to the x axis, so it does not have an x intercept.

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This can be calculated by hand by copying the first two columns to the right of the given matrix, then forming the sum of products of the downward diagonals and subtracting the sum of products of the upward diagonals.

... (-4)(3)(-5) +(-4)(-5)(-5) +(-3)(3)(2) -(-5)(3)(-3) -(2)(-5)(-4) -(-5)(3)(-4)

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