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Use the graph showing Eva's account balance to answer the question that follows. a line is shown passing through the points 0 comma 525, 4 comma 556 point 5, 9 comma 595 point 88 What is the interest rate on Eva's account?
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"rate" or "slope" or "gradient" all refer the same thing : how y varies with x
to get the interest rate, we can find the slope of the line. u see ?
|dw:1340730586186:dw|
since the graph is going through points \( (0, 525)\ and\ (4,556.5)\) \(\huge rate = \frac{y2-y1}{x2-x1} = \huge \frac{556.5-525}{4-0} = 7.875\)
its multiple choice though 7.1% 6.6% 5.7% 1.5% ?
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its none of the above.. we got 7.875 %
u have nay more infor... question says, some graph is shown ?
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