Solve the Problem Using Your Calculator A) Y=886-1

question 121

Short Answer

Solve the problem using your calculator.
-A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. Use a graphing calculator To model the data with a linear function that predicts a student's course grade as a function of the Number of hours spent in lab.
$\begin{array} { c c } \text { Number of hours spent in lab } & \text { Grade (percent) } \\\hline 10 & 96 \\11 & 51 \\16 & 62 \\9 & 58 \\7 & 89 \\15 & 81 \\16 & 46 \\10 & 51\end{array}$
A) y=88.6-1.86 x
B) y=1.86+88.6 x
C) y=0.930+44.3 x
D) y=44.3+0.930x

• A) y=88.6-1.86 x
• B) y=1.86+88.6 x
• C) y=0.930+44.3 x
• D) y=44.3+0.930x

---

Definitions:

Simple Interest

Interest calculated only on the principal amount, not on the interest accrued.

Invested

The maneuver of allocating finances with the aspiration of earning income or profit.

Term

The time period for which a loan or investment is made.

Rate of Interest

The rate at which interest is applied to a loan or credited to savings.