A student has taken 5 quizzes. She would like to have at least 90% average. What must her fifth score be to achieve her goal?
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The equation is put in slope intercept form which is y=mx+b
The slope is m and in this case it is -1/2.
To find the y intercept substitute in 0
for x then solve.
The slope is m and in this case it is -1/2.
To find the y intercept substitute in 0
for x then solve.