Which equation could be represented by the number line? O A. 9+ (-8) = 1 O B. -1 + (-9) = -10 O C. -4 + (-5) = -9 O 8 D. -9 + 8
1 answer:
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Answer:
Step-by-step explanation:
The area for a triangle is
Our base is given as x, the height is given as 1 more than 6 times the base which looks like this: 6x + 1. We know that the area is 13, so filling in everything:
We can get rid of the denominator of 2 by multiplying it on both sides to get:
and simplifying a bit:
Now we can move over the 26 and put the expression into standard quadratic form by setting it equal to 0:
which is choice C