MathematicsGrade 9en

📐 Linear Functions and Slope-Intercept Form

This quiz covers the fundamentals of linear functions, slope, and the slope-intercept form of a line. **What you'll learn:** - Identify and calculate slope from two points or a graph - Understand and apply the slope-intercept form $y = mx + b$ - Interpret the meaning of slope and y-intercept in real-world contexts - Write and graph linear equations - Solve problems involving linear relationships

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Questions in this quiz

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Question 1
What is the slope of the line that passes through the points $(2, 3)$ and $(4, 7)$ ?
Question 2
In the equation $y = 3x + 5$ , what does the number $5$ represent?
Question 3
A line with a negative slope always decreases from left to right on a graph.
Question 4
The slope-intercept form of a linear equation is $y =$ ___ $x +$ ___ , where the first blank is the slope and the second blank is the y-intercept.
Question 5
Which of the following equations represents a line with slope $-2$ and y-intercept $4$ ?
Question 6
A taxi charges a base fare of $3 and $2 per mile driven. Which equation models the total cost $C$ as a function of miles driven $m$ ?
Question 7
What is the slope of a horizontal line?
Question 8
Which pair of points would produce a line with slope $\frac{1}{3}$ ?
Question 9
If a line has the equation $y = -\frac{1}{2}x + 6$ , at what point does it cross the x-axis?
Question 10
Two parallel lines always have which characteristic in common?