# SAT Math Multiple Choice Practice Question 322: Answer and Explanation

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**Question: 322**

**14.**

In the figure above, the slope of line *l* is and the area of the triangle is 48 square units. What is the value of *x* + *y*?

A. 13

B. 14

C. 19

D. 22

E. 96

**Correct Answer:** D

**Explanation:**

**D** Two points on line *l* are (0, 0) and (10, *y*). Find the slope of the line:

Since , the height of the triangle is 6. Find the area:

Now find .