Find the solutions to the following quadratic equation:
(x-5)(x+9)=0
x = 5 and x = -9
Algebra: Is this a function: {(1, 2), (-2, 3), (2, 4)}
Yes, the domain does not repeat.
Equivilant means
A. same as
B. equal to
C. both are correct
C. both are correct
Julia traveled to Argentina and Chile for a total of 16 days. In Argentina, she learned 125 new words per day. In Chile, she learned 140 new words per day. She learned a total of 2145 words. Write a system of equations using x for Argentina and y for Chile.
x + y = 16
125x + 140y = 2145
D
In Desmos, to convert a decimal to a fraction you:
A. Use paper and pencil to calculate the conversion
B. Click the fraction symbol in Desmos
C. Move the decimal back 2 places
B
What is the slope of the line passing through ( 3, 9 ) and ( 5, 4 )
-5/2
Find the roots to the quadratic equation:
2x2=200
x = 10 and x = -10
If a relation is a function:
A. The y-values cannot repeat
B. The x-values cannot repeat
C. The x-values can repreat
B. The x-values cannot repeat!
A vertical line that cuts through the middle of the parabola, dividing it into two equal halves
A. maximum of parabola
B. x-intercept
C. axis of symmetry
C. axis of symmetry
Solve the following system of equations:
y = 2x + 9
-2x + y = 15
No solution, the lines are parallel

A. 5 sqrt3
If you want to type this equation into Desmos, what do you HAVE to do?
3t2 - 2t + 15
Change the variable to x.
What is the first tool you will look for on the EOC?
Desmos
What are the solutions of this quadratic equation?
2m2 + 2m − 12
-3 and 2
Is y = -2x + 7 a function?
A. No, it fails the vertical line test
B. Yes, it passes the vertical line test
C. No, the x-values repeat.
B. Yes, it passes the vertical line test.
Rate of change is another name for
A. Minimum
B. Slope
C. Vertex
B. Slope
Solve the following system of equations:
y = 2x − 8
y = -2x + 8
(4, 0)
D
If the question contains the word 'equivalent', most likely you'll have to do what with the answer choices?
Type each one in Desmos and see which matches the question.
Which questions should you do first on the EOC?
the easy ones
Find the solutions to the following quadratic:
2x2 − 3x − 5 = 0
x = 5/2
x = -1
What is the domain of x2 + 10x + 25 ?
A. All Real Numbers
B. ( 0, 25 )
C. Greater than or equal to 0
A. All Real Numbers
Another name for Zeros is:
A. Solutions
B. X-Intercepts
C. Roots
D. All of the above
D. All of the above
Solve the following system of equations:
y = -3x -7
y = -3x - 7
Infinite many solutions
J
How do you insert a table when no function is given?
In Desmos, click plus ( + ) and add table
What is the slope of the linear equation y = 2/3x + 9 ?
2/3
A water balloon is catapulted into the air so that its height h, in meters, after t seconds is
h = -4.9t2 + 24.5t + 1. What is the maximum height of the balloon? Round to the nearest tenth.
h = 31.6 meters
What's the domain of the exponential function 3(1.2)x ?
All Real Numbers
Domain is the set of all
A. y-values
B. x-values
B. x-values
If two lines intersect, then the solution to the system is:
A. One solution
B. Infinitely Many Solutions
C. No solution
A. One solution
What is the correct factor of 25x2-64?
A. (5x+8)(5x-8)
B. (5x-8)(5x-8)
A. (5x+8)(5x-8)
How do you get the equation after entering a table?
In Desmos, click line with dots tool
Does the quadratic function x2 + 4x - 12 have a minimum or a maximum?
Minimum