Use the quadratic formula to solve 2x^2 -1 = 7x, and then verify your answer by graphing
2 answers:
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Answer:
so time is 2 years and 6 months
Answer:
Option (d) is wrong.
Step-by-step explanation:
Slope is:
- rise over run
- The rate of change of a line
- Change in y over the change in x
- <em><u>The ratio of vertical change to the horizontal change. </u></em>
It can be given by mathematically as follows :
Hence, the option which is not a description of slope is (d) "the ratio of horizontal change compared to vertical change"