Slope
What does the slope line represent
The steepness of the line
What is the y-intercept of the line represented by the equation y = 2x + 3?
3
Solve for x: 2x + 5 = 11
x=3
Solve the system of equations by substitution: x + 2y = 5 and y = x - 1
x = 3, y = 2
What is the label for the horizontal axis on a graph?
X-axis
What is the slope of a vertical line
Undefined
If a line crosses the y-axis at the point (0, -5), what is its y-intercept
-5
Solve for y: y - 7 = 12
y=19
Determine the number of solutions for the system: 2x + y = 6 and 4x + 2y = 12
Infinitely many solutions
What is the purpose of a title on a graph?
to provide a concise summary of the data being presented
If a line is sloping upwards from left to right, what is the sign of its slope?
Positive
True or False: The y-intercept is always the point where the line crosses the x-axis.
False
Solve for a: 4a - 8 = 12
a=5
Solve the system of equations: y = 2x - 3 and y = -x + 6
x = 3, y = 3
What type of graph would you use to show changes over time?
Line graph
Given the equation y = 2x - 5, what is the slope of the line?
2
2
Solve for b: 2(b + 3) = 10
b=2
Solve the system of equations using the elimination method: 4x - 3y = 1 and -2x + y = 2
x = 1, y = -1
What is the purpose of a pie chart?
To compare the relative size of each category and how it contributes to the whole
Which of the following pairs of points would result in a negative slope when calculating the slope between them?
(1,-3) and (2,1)
Which of these equations is in slope-intercept form, where the y-intercept is easily identifiable?
Options: 2x + y = 5, b) y = 3x - 2, c) x - 2y = 4
y=3x-2
Solve for c: 5c - 2c + 1 = 16
c=5
Determine the number of solutions for the system: 3x + 2y = 5 and 6x + 4y = 10
Infinitely many solutions
What is the difference between a positive correlation and a negative correlation on a scatter plot?
A positive correlation shows data points trending upwards as one variable increases