Functions
Is this relation a function? {(–2, –2), (0, 0), (1, 1), (2, 2)
yes
−4(x + 10) − 6 = −3(x − 2)
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Arithmetic sequence
A sequence where each term is the sum of the previous term and a common difference, 𝑑𝑑
f (x)= 3x + 2, find x such that f (x) =14.
4
Whichpropertywouldbeusedfirsttosimplifytheexpression 2(x+5y+1)−4(3x−y−2)?
Distributive
Absolute value
Represents the distance of a number from zero on a number line
Which of the following is the solution for 4x – 4 > 12?
x>4
Represents the linear equation in 3x = 12 – 2y standard form.
3x + 2y = 12
Axis of symmetry
A vertical line that goes through the vertex of a
quadratic function and divides the parabola into
two congruent halves, that are mirror images of
each other
Represents the linear equation in 3x = 12 – 2y standard form.
3x + 2y = 12
Represent the linear equation 2x = y + 3 in slope-intercept form.
y = 2x – 3
Coefficient
A number used to multiply a variable
What is equivalent to 48xy + 24xy −12x y ?
12xy (4+2y −xy )
What is the y-coordinate of the y-intercept of the line that passes through the points (–4, –4) and (4, 8)?
The y-intercept is (0, 2), so therefore the y-coordinate is 2.
Constant of proportionality
A constant multiplier, 𝑘𝑘, used to define the proportional relationship between two variables