a team is selling discount cards as a fundraiser. the table shows the number of cards sold and the remaining…

a team is selling discount cards as a fundraiser. the table shows the number of cards sold and the remaining amount of money needed.\ndiscount cards fundraiser\n| cards sold | remainder of goal |\n| ---- | ---- |\n| 10 | $875 |\n| 20 | $795 |\n| 30 | $715 |\n| 40 | $635 |\n| 50 | $555 |\nwhich word describes the slope of the line representing the data in the table?\nzero\nundefined\nnegative\npositive
Answer
Answer:
C. negative
Explanation:
Step1: Recall slope concept
Slope is $\frac{\text{change in }y}{\text{change in }x}$.
Step2: Identify variables
Let $x$ be cards sold, $y$ be remainder of goal.
Step3: Check change
As $x$ (cards sold) increases (from 10 to 20 etc.), $y$ (remainder of goal) decreases (from 875 to 795 etc.).
Step4: Determine slope sign
Since $y$ decreases as $x$ increases, slope is negative.