Systems of Equations
A student graphs this system of equations Y=2x+3 and Y=-1/2x-6. What is the meaning of X in this system?
What is -3.6
The value of x in this equation
10-2(-2x+1)=5(x+2)-2x
What is 2
What is the rate of change of customers in a store after they open? Using these points on a graph
(6, 150) and (12, 0)
What is -25
Three or more points are needed to identify this function.
What is quadratic
Using the function F(t) =6(.93)^t where t represents time in hours. What is the end behavior of this function?
What is decay
The term many solutions refers to two lines interacting like this?
What is one on top of another.
The owner of a new record store orders 250 records to sell on opening day. The function F(x) =250-7x represents the number of records remaining after x days. How many records remain after 14 days
What is 14
Considering line segment YZ
Y (-3, -6) Z (7, 4)
What is the slope
What is 1
The roots to this function 3x^{2}-14x-5 can be found here. What are the values of x.
What is -.33 and 5
Starting with 0 dollars, a students saves $20 the first month and increases the amount by 10% each month. True or false is this considered a quadratic function?
If not what is the correct function?
What is exponential.
The linear function f(x) is defined by F(x)=-3(x-2)
Another line is graphed by y=-2x-1.This a system of equations with one solution? What is this point?
What is (7, -15)
In this system of equations there are ___________ solutions
3+18 = 9(3)-6
What is many
The linear function f(x) is defined by F(x)=-3(x-2)
Another line is graphed by y=-2x-1.This a system of equations with one solution? Is this true or false?
What is true
What steps are needed to factor a quadratic
1. Multiply a and c
2. Factor the product
3. The factors of a and c must add together to give you b.
Write a function showing a $600 phones value after T years as it looses 25% each year. Make a graph or a table.
What is
t Value of t
0 600
1 600(.75)
2 600 (.75)2
3 600 (.75)3
Two line that are parallel have the same slope and the same y intercept.
True or false.
What is false
Simplify this expression
2x^4/4x^-2
What is 2x^-2
Consider this graphed line
y=1/2x+3
Is point (0, 3) found on this line?
True or False
What is true
Here are the factors of quadratic 4x^{2}+6x-3
What is 1.8 and -.39
Compounded interest is a type of this exponential function.
What is exponential growth
Two companies charge a flat fee for delivery and charge a price per attendee. Using these lines, where is the total cost the same for both companies?
Line z =2x+17
Line c =3x+14
What is 23
Simplify this expression
3x-14=9(-4-16)+31
What is x= show your work
A student start a $200 savings account and adds $20 per month. Is this considered a linear slope?
True or false
What is true.
Create a function graph with zeros at x=-1 and x=4 with a vertex of -6 and a axis of symmetry at 2.5
What is show me something in Desmos
A certain drug decays at a rate of 15mg per hour. If the initial dose is 500mg and it is not safe to drive until only 50 mg is left in a persons systems, How long will it be before it is safe to drive?
What is 14