Is this a function: {(1, 2), (2, 3), (2, 4)}
No
What is the slope-intercept form of a linear equation
y= mx + b
Find the slope: y = -1/2 x + 4
- 1/2
Name the 3 methods that can be used to solve a system of equations.
Graphing, Substitution, Elimination
Solve the inequality: 2x - 3 < 5
x < 4
simplify: 3(6wd - 3) + 3wd
21wd - 9
Write the following equation in slope-intercept form: 4x + 2y = 20
y = -2x + 10
What is the slope of the line that passes through (-2, 0) and (0, 4)?
slope = 2
Solve the system: y = 2x - 1 and y = 8x - 19
(3, 5)
Write an inequality to represent the scenario:
Sawyer can play Fortnite for no more than 1 hour per night. Use the variable s to represent Sawyer.
s < 1
Solve for a: ax + b = c
a = (c - b)/x
y = 2/3x - 4
What is the slope of a line parallel to y = 5x - 4?
How many solutions exist to the following system of equations?
y = 1/3 x - 4
y = 5 + 1/3x
No solution
Solve the compound inequality:
-3(x-1)>15 or 4x + 5 > 2x + 7
x < -4 or x > 1
Evaluate the function: f(x) = x2 + 1 at f(4).
17
Write the equation of a line in slope-intercept form that passes through the point (-1, 2) and has a slope of 3.
Find the slope of a line perpendicular to y = 1/4x + 3
m = -4
Solve the following system of equations:
2x + 4y = -40
x - 4y = 4
(-12, -4)
Solve the compound inequality:
-12 < 4x < 20
-3 < x < 5
Solve: 21 + x = 2(x - 6)
x = 33
Evaluate the function: f(x) = 7 - 2x3 at f(-2)
23
Write the equation of a line in slope-intercept form that passes through the points (-1, 3) and (0, 6)
y = 3x + 6
What's the slope of the line passing through (3,9) (5,4)
slope: -5/2
Write and solve a system of equations for the following:
Two times a number x plus three times another y equals 13. The sum of two numbers, x and y, is 7. What are the numbers.
2x + 3y = 13
x + y = 7
( 8, -1)
Write an inequality to represent the graph:
y < -2/3x + 1