3
Answer: DSet 3: Linear Functions (Intermediate)
Explanation
PROBLEM
If the y-intercept is 4 and x-intercept is 2, what is the slope?
If the y-intercept is 4 and x-intercept is 2, what is the slope?
A.
-4
B.
2
C.
0.5
D.✓ Correct
-2
Detailed Explanation
Choice D is the best answer. Slope = (0-4)/(2-0) = -4/2 = -2
Why others are wrong:
A: -4 is incorrect because it does not satisfy the equation.
B: 2 is incorrect because it does not satisfy the equation.
C: 0.5 is incorrect because it does not satisfy the equation.