222k views
3 votes
HELP PLEASE!!

What is the x-intercept of the equation 7x + 3y = 21?

A. (0, 3)

B. (0, 7)

C. (3, 0)

D. (7, 0)

User Tstseby
by
7.8k points

2 Answers

7 votes
The best answer is c. 3.0
User Rishabh Ohri
by
8.6k points
7 votes

Answer: 3,0

Explanation:

X - intercept is the point at which y = 0 , just substitute y = 0 into the equation , we have

7x = 21

x = 21/7

x = 3

(3,0)

User Jpmarinier
by
8.9k points