Y=-2|x| +5
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Will try to mark as

y = -2 |x| + 5

The graph is going to look like an upside-down V, or a roof because you're graphing an absolute value function.

The slope is going to be 4/2. Starting at y = 5, your going to go down 4, and left/right 2.

Below, are pictures of what it looks like when I plug in the function, and when the function is graphed.

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents

is only a line? i think so