Y-intercept
Slope
Linear Equations
Proportional Relationships
Throwbacks
100
The y-intercept of a line is the value of the y-coordinate where the line crosses the _______.
What is the y-axis?
100
The formula to calculate slope from two points
m=(y_2-y_1)/(x_2-x_1)
100
The formula for a linear expression written in slope-intercept form.
What is y=mx+b?
100
The two requirements for a proportional relationship
What is:
1. it must be a linear relationship (constant rate of change)
2. the line always crosses the y-axis at (0,0) - the origin
100
All of the rational numbers...
3
3.bar75
-sqrt(2)
1563/25
pi/2
What is:
3
3.bar75
1563/2
200
The line models the temperature starting at noon on an autumn day.
The y-intercept is ___ and it represents _______.
What is the y-intercept is 50oF and it represents the temperature at noon?
200
The slope of the proportional relationship y=x.
What is 1?
200
To write the equation of a line in slope-intercept form, you need to find the ___ and the ____.
What is slope and y-intercept?
200
Does the linear equation represent a proportional relationship? Explain
y=x-5
What is no, it does not have a y-intercept of 0. It crosses the y at -5?
200
The expression below simplified using the Laws of Exponents.
(-2a^-3b^2)^5
What is -32a-15b10?
300
The graph that has a y-intercept of -5? Explain
What is Graph B because it crosses the y-axis at (0,-5)?
300
The slope of the line
What is 5?
300
What is
y=-x+4
300
What is A?
300
The expression below multiplied using the properties of operations.
(2/5a-4)(10a)
What is 4a2-40a?
400
The statement that describes the y-intercept of the graph of a proportional relationship.
A. It is less than the x-intercept of the line.
B. It is greater than the x-intercept of the line.
C. The line intersects the y-axis of the graph at the origin.
D. The line intersects the y-axis of the graph above the origin.
What is C. The line intersects the y-axis of the graph at the origin ?
400
The slope of the line passing through the points: (5, 1,273) and (10, 2,546).
What is 254.6 or 1273/5?
400
The linear equation in slope-intercept form of the graph
What is
y=3/2x-3
400
What is A and B?
400
The equations below solved.
2x+5(1-x)=-3(x+2)+11
What is Infinitely Many Solutions?
500
Tasha incorrectly draws this graph to represent the balance in her savings account over time.
What is the y-intercept in this situation and does it make sense it this situation? Explain
What is: the y-intercept represent the balance when she opens the account which does not make sense. A savings account can not be opened with a negative balance.
500
Bus X travels 224 miles in 4 hours. The rate of change of the bus.
What is 56 miles per hour?
500
What is
y=2x+4
500
What is $15 per hour?
500
The expression below completely factored.
10g^3h-15g^2h^2
What is 5g2h(2g-3h)?