+0

# Coordinates

0
126
1

A line through the points (2, -9) and (j, 17) is parallel to the line 2x + 8y = 21. What is the value of j?

Jan 5, 2022

#1
+225
+1

Answer:$$-102$$

Explanation:

The slope of the given line is -2/8, which reduces to -1/4.

Using the slope formula between the two given points, we get an equation:

$$\frac{17-(-9)}{j-2}$$$$=-\frac{1}{4}$$

$$-104=j-2$$

$$j=-102$$

Jan 5, 2022