Unit 1 - Solving Equations
Solve the following equation:
x - 3 = 4
x = 7
Solve the following equation:
|x| = 2
x = -2 and x = 2
What set(s) does the number 27 belong to?
Natural, Whole, Integer, and Rational
If a rollercoaster was rising uphill, what type of slope would it be?
Positive
What is the general equation for slope-intercept form?
y = mx + b
Solve the following equation:
5c + 4 = 9
c = 1
Solve the following equation:
|4n + 2| = 34
n = -9 and n = 8
What quadrant is the point (-3, 8) in?
Quadrant 2
What is the formula for slope?
Solve the following equation:
6x - 3 + x = 4
x = 1
Solve the following equation:
4(2m + 7) = 12
m = -2
Solve the following inequality:
8x + 8 < 40
x < 4
What is the domain of the relation { (-5, 2), (-3, 7), (2, 4), (5, 8) }?
{-5, -3, 2, 5}
Find the slope of the two points: (3, 7) and (6, 13)
m = 2
What set(s) does the number -3 belong to?
Integer and Rational
Solve the following equation:
2k + 4 = 5k - 11
x = 5
Solve the following inequality:
5n + 5 > 6n - 9
n < 14
A relation is not a function when _____________ repeat.
x-values
Find the slope and y-intercept (as a point) of the following equation: y = 3x - 4
slope: m = 3
y-intercept: (0, -4)
Given g(x) = -7x + 9, find the value of g(1).
g(1) = 2
Solve the following equation:
5(w + 2) - 3w = 2(w + 11) + 6w
w = -2
Solve the following equation for x:
y = mx + b
x = (y - b)/m
Given f(x) = 5x + 4, find the value of f(9).
49
If m = -1/4 and b = 7, what is the equation of the line?
y = (-1/4)x + 7
Find the equation of the line that goes through (0, 5) and (-1, 8)