Equations
Solve:
2x + 2 = 18
x = 8
Algebra: simplify:
3(6wd - 3) + wd
19wd - 9
Algebra: Is this a function? Your speaker must explain why or why not.
{(1, 2), (2, 3), (2, 4)}
No
Find the slope of the line that crosses through the points (6, 4) and (10, 16).
Final answer must be simplified.
slope = 3
Algebra: What is the point-slope form of a linear equation?
Your speaker must recite the formula.
y - y1 = m(x - x1)
Solve:
3x + 4 = 7
x = 1
Simplify:
a(b - c) - 2a(c + b)
-1ab - 3ac
What is the name of the test used to determine if a graph is a function or not?
Vertical Line Test
Identify the slope:
-2y + 6x = 10
3
Write the following equation in slope-intercept form:
5(x + 2y) = 20
y = -1/2x + 2
Solve:
4x - 5 - 3x + 2 - 2x = 9
x = -12
Simplify:
-7(k - 8) + 2k - 16
-5k + 40
What variable does domain refer to?
x values
Find the slope of the line perpendicular to:
3x + 2y = 12
2/3
What does a system of equations with no solution look like?
Parallel Lines
Solve:
21 + x = 2(x - 6)
x = 33
Simplify:
3 - 8(7 - 5n) + n
41n - 53
f(x) = 3x2 + 2x + 1
Find f(4).
57
What is the slope of the line x = 4?
Undefined
Find the x-int and y-int of the line with the equation:
2x + 4y = 24
x-int: (12, 0)
y-int: (0, 6)