Equation form that shows slope and y-intercept of the line?
What is y = mx + b form
Keywords you are looking for in a word problem about "variation"?
What is Direct and Inverse
y1~ax12 + bx1 + c can be used with a table to find a _______________ of "best fit"
What is quadratic or what is parabola
Multiply: 5x3x5x1
What is 5x9
Slope of the line: y = (-2/5)x + 3
What is -2/5
Equation for an inverse variation where k = 70
What is xy = 70
The words "Equivalent", "Simplified", or "Completely factored" are a clue to use Desmos and look for...
A) Overlaid graphs
B) x-intercept sharing graphs
C) Opposite graphs
What is Overlaid graphs
y1~mx1+b can be used with a table to find a ___________ of "best fit"
What is a line
divide:
What is 1/(4x)
Vertex of the parabola: y = x2 + 2x
What is (-1, -1)
Equation for a direct variation with k = 5
y = 5x
If you are asked to find a number expression in simplified form, can you enter the PROBLEM and ANSWERS into DESMOS to look for a matching decimal? YES or NO?
What is YES
To see which equation has the best graph fit for some (x,y) pairs you should PLOT the pairs and graph all of the equations to see which one fits in this way:
A) most closely B) exactly C) least closely
What is most closely
Simplify:
2x2 - 3x + 4x2 - 7x
What is 6x2 - 10x
Solutions to (x - 5)(x + 2)(x) = 0
What are 5, -2, 0
Equation for a parabola with:
a = 1
b = 2
c = 3
What is y = x2 + 2x + 3
If you are in doubt how to solve a problem, you should enter:
A) the answers in Desmos
B) the problem into Desmos
C) the problem and answers into Desmos
What is "the problem and answers into Desmos"
When you use y1 ~ ax12 + bx1 + c and you get a = 1, b = 2, c = -3 you should select which equation?
y = x2 + 2x - 3
y = x2 - 2x + 3
y = x2 -3x + 2
What is y = x2 + 2x - 3
Simplify: (3xy3)4
What is 81x4y12
Slope of the line: 3x + 4y = 12
What is -3/4
Equation template used for "Line of best fit" in desmos?
What is y1 ~ mx1 + b
Desmos tool used to evaluate:
2a2 - b FOR a = -3 and b = -5
What are sliders
To find another point on a "line of best fit" for x = 5, do the following:
A) Find the intersection of the x = 5 and the "line of best fit"
B) Find the intersection of y = 5 and the "line of best fit"
C) Find the "line of best fit" and "the parabola of best fit"
What is "Find the intersection of the x = 5 and the "line of best fit", state the y-value"
Simplify:
(2x)0 - xy2
What is 1 - xy2
Identify the slope: 5x - 3y = 4(x - 1)
What is 1/3