If , what is the slope of this line?
Answer and explanation
Correct answer: D.
- Step 1: Multiply through by 12 to eliminate fractions: .
- Step 2: Solve for in slope-intercept form: .
- Step 3: The slope is .
Answer
-\frac{4}{3}.
Why not the others: '' makes a sign error; '' inverts the slope ratio; '' combines inversion with a sign error.
Practise more Algebra, Linear Systems and Functions.
Free questions with an explanation for every one, and full timed Egyptian Scholastic Test (EST) mock tests.
More Algebra, Linear Systems and Functions questions
- If , what is the value of ?
- A line in the xy-plane passes through the points and . What is the slope-intercept equation of this line?
- Solve the system of equations for : \begin{cases} 2x + 3y = 12 \\ x - y = 1 \end{cases}
- If , what is the value of ?
- Which of the following functions has a graph that does NOT intersect the x-axis?
- If , what is the value of ?