Relations/D & R
Slope
Point-Slope Form
Circles
X-&Y-Intercept
100
What is domain and range?
The domain is the set of x-values. The range is the set of y-values.
100
What is the slope of the equation?
y=-12x+7
The slope is m=-12.
100
What is the slope from the given equation?
y-6=-3/4(x+4)
The slope is
m=-3/4
100
What is the standard form equation of a circle?
The standard form equation of a circle is (x-h)^2+(y-k)^2=r^2.
100
X- and Y - Intercepts are located where on the graph?
X-Intercept are located on the x-axis. Y-Intercept are located on the y-axis.
200
What is the domain and range of this relation?
{ (3,-4), (2,7), (-6,9), (0,-4)}
The domain is { -6, 0, 2,3}.
The range is {-4, 7,9}.
200
What is the slope formula?
The slope formula is
m=(y_2-y_1)/(x_2-x_1)
200
What is the slope-point form?
The slope-point form is y-y_1=m(x-x_1) .
200
What is the center and radius of the circle?
(x+9)^2+(y-12)^2=49
The center is (-9,12) and the radius is 7.
200
What are the x- and y-intercepts? ( Write your answer as a point and identify the x-intercept or y-intercept.)
The x-intercept is (-12,0)
The y-intercept is (0,25)
300
What is the domain and range?
Is the graph continuous or discrete?
Is it a function?
The domain is {-6, 0, 2, 4, 7}.
The range is {-5, 1, 3, 4}.
The graph is discrete.
Yes, the graph is a function.
300
What is the slope of the graph?
The slope is
m=-3/2 .
300
What is the point from the given equation?
y+5=4(x-7)
The point is (7, -5).
300
What is the equation of a circle with a center (7, 0) with a radius of 3?
The equation of a circle is (x-7)^2+y^2=9
300
The graph is B.
400
What is the domain and range?
Is the graph continuous or discrete?
Is it a function?
The domain is [-6, 6].
The range is [0, 6] .
The graph is continuous.
Yes, it is a function.
400
What is the slope of the given two points?
(-4, 2) and (5,-6)
The slope is m=-8/9.
400
What is the slope-point equation for the given two points? (-5,6) (4,-3)
The slope-point equation is
y-6=-(x+5) or y+3=-(x-4)
400
What is the equation of a circle with a center (-4, 7) and a point on the circle (-4,5)?
The equation of a circle is (x+4)^2+(y-7)^2=4.
400
What are the x- and y-intercepts of the equation 5x-6y=30?
The x-intercept is (6,0).
The y-intercept is (0,-5).
500
The total cost in dollars, c, to purchase video games online can be found using the function c = 16.95x + 4.75, where x is the number of video games purchased. If at least 4 games but no more than 7 games are purchased online, what is the domain and range of the function for this situation?
The domain is [4,5,6,7].
The range is [72.55, 89.50, 106.45, 123.40].
500
Jeremy has a weekend job as a soccer referee. One weekend he earns $140 by working 4 games. Another weekend he earns $210 by working 6 games. If Jeremy graphed an equation that would represent his total earnings based on the number of games worked, what would be the slope of the graph?
The slope of the graph is m=35.
500
What is the slope-intercept equation for the given two points?
(-8,-6) and (-12,-15)
The slope-intercept equation is y=9/4x+12
500
What is the equation of a circle from the graph?
The equation of the circle is (x+4)^2+(y+3)^2=25.
500
What are the zero(es) and y-intercept from the equation?
f(x)=-1/4x^2+3/2x+4 .
The zeroes are (-2,0) and (8,0). The y-intercept is (0,4).