Quadratics
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
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
What is the square root of 121?
A. 12
B. 11
C. 12.1
B
What do you type into desmos to find the line of best fit?
y1~ax1+b
Are you allowed to skip questions on the EOC?
Yes! Just come back later to answer them
Find the roots to the quadratic equation:
2x2=200
x = 10 and x = -10
Algebra: simplify: 4(6ac - 3) + 5ac
Algebra: 29ac-12
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 line of symmetry
C
Solve the following system of equations:
6x − 12y = 24
−x − 6y = 4
(2, -1)
What are the solutions of x2-25
x= 5 and -5
If you want to type this equation into desmos, what do you HAVE to do?
d=3t+14
Change the variables to x or y
What is the first tool you will look for on the EOC?
Desmos
What is the discriminant of the following and how many solutions does it have:
2m2 + 2m − 12 = 0
100; 2 solutions because it is positive
Algebra: Solve for a: abc + 2h=0
Algebra: a = -2h/bc
2(x+1) = 2x + 2
This is
A - Distributive property
B - Order of operations
A
Solve the following system of equations:
x + 7y = 0
2x − 8y = 22
(7, -1)
what is 92
A. 18
B. 4.5
C. 81
D\C
If the question contains the word 'equivalent', most likely you'll have to do what with the answer choices?
Type each answer 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
Simplify: a(b - c) - 2a(c + b)
-1ab - 3ac
PMDAS, stands for
A - Parabola
B - Order of Operations
C - Paragraph of math
B
Solve the following system of equations:
−8x − 10y = 24
6x + 5y = 2
(7, -8)
What is (x-2)2
x2-4x+4
If the question is wanting a line parallel to the given line, what answer would be correct?
A the same slope
B the opposite slope
C the opposite reciprocal
A Same slope
If you want a separate calculator, how do you get one?
Ask your test proctor!
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
Algebra: What's the domain of a quadratic function?
All Real Numbers
Roots of a parabola are the same as
A B and C
B X intercept
C Zeros
A
If two lines intersect, then the solution to the system is:
a. One solution
b. Infinitely Many Solutions
c. No solution
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)
If the answer is resulting in a decimal, and the question asks for a fraction, you should use
A - a pencil to calculate the conversion
B - the fraction symbol next to the decimal in Desmos
C - move the decimal place back 2 places
B - the fraction symbol next to the decimal in Desmos
What does EOC stand for?
End of Course