Math Problem Statement
What is the y-intercept of the line given by the equation below? y = 8x + 7
Solution
The question asks for the y-intercept of the line given by the equation:
In the slope-intercept form of a line, :
- is the slope.
- is the y-intercept, the value of when .
Here, . Therefore, the y-intercept is the point .
Correct Answer: B. (0, 7)
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Related Questions:
- What is the slope of the line ?
- How do you graph the equation ?
- What is the equation of a line parallel to ?
- What is the equation of a line perpendicular to ?
- How do you calculate the x-intercept of the line ?
Tip:
To find the y-intercept of any line in slope-intercept form, look at the constant term (). It always represents the y-intercept at .
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Slope-Intercept Form
Formulas
y = mx + b
Theorems
-
Suitable Grade Level
Grades 7-9