Math Problem Statement
Determine the slope and y-intercept of the function h(x) = 5x + 4 and use this information to graph the function.
Solution
The image shows a problem about a linear function , with parts (a) and (b) visible. Let's break it down:
Part (a): Determine the slope and y-intercept of the function.
- The function is in the form , where:
- is the slope.
- is the y-intercept.
From the given equation :
- The slope .
- The y-intercept .
Part (b): Use the slope and y-intercept to graph the linear function.
- To graph this, start at the y-intercept (0, 4) on the y-axis.
- Then, using the slope , rise 5 units and run 1 unit to the right to find another point (1, 9).
- Connect these two points with a straight line.
Would you like more details or assistance on any part?
Here are some follow-up questions:
- How do you interpret the slope in a real-world context?
- What happens to the graph if the slope is negative?
- How can you verify the y-intercept using a table of values?
- What is the significance of the x-intercept, and how can you find it?
- How would the graph change if the slope were fractional, like ?
Tip: When graphing a line, always plot the y-intercept first, then use the slope to find additional points.
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Functions
Formulas
Slope-intercept form: y = mx + b
Theorems
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Suitable Grade Level
Grades 7-9