Quadratics
Functions
Vocabulary
Systems
Exponents
Test Tips
100
If the vertex is the highest point, what does it represent?
the maximum
100
Algebra: Is this a function: {(1, 2), (-2, 3), (2, 4)}
Yes, the domain does not repeat.
100
Rate of Change
Constant of Proportionality
Unit Rate
ALL THREE TERMS are the same as what?
slope
100
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
100
Simplify (4m3n)2
16m6n2
100
Should you skip questions and come back to answer them later?
NO
ATLAS is adaptive. Each question assigned to you depends on the answer to the previous question.
200
What is the easiest way to find the roots to the quadratic equation?
(more than one correct answer)
Easiest- graph the quadratic and look for the x-intercepts
Easy- generate a table and look for all the y's that have 0 as an x
200
Algebra: What's the domain of a exponential function?
All Real Numbers
200
a vertical line that cuts through the middle of the parabola, dividing it into two equal halves
line of symmetry
200
Solve the following system of equations:
6x − 12y = 24
−x − 6y = 4
(2, -1)
200
Simplify
27s3t36
200
If you type something in the embedded (Desmos) calculator, and you get an error message, what is one thing you can try?
(several correct responses)
If you are trying to get the answer to an equation, change the = sign to either > or <
Make sure the variables are x or y
Type in y = first
Split the formula at the equal sign into two lines
Check that the numbers you typed in are correct
300
Find the solutions to the following quadratic equation:
(x-5)(x+9)=0
x = 5 and x = -9
300
Algebra: simplify: 4(6ac - 3) + 5ac
Algebra: 29ac-12
300
-2(x+1) = -2x - 2
This models which property?
distributive
300
Solve the following system of equations:
x + 7y = 0
2x − 8y = 22
(7, -1)
300
J
300
If the question includes two equations and your DESMOS graph shows coexisting (overlapping or coinciding) lines, what is likely to be the answer?
infinitely many solutions
or ALL REAL NUMBERS
400
Find the solutions to the following quadratic:
2x2 − 3x − 5 = 0
Remember: Solutions, roots, zeros, and x-intercepts are all the same
x = 5/2 or 2.5
x = -1
400
Algebra: Solve for a: abc + 2h
Algebra: a = -2h/bc
400
(a + b) + c = a + (b + c)
This models which property?
associative
400
Solve the following system of equations:
−8x − 10y = 24
6x + 5y = 2
(7, -8)
400
Simplify
y^3/x^2
400
If the question includes two equations and your DESMOS graph shows a pair of parallel lines, what is likely to be the answer?
No Solution
500
The area of a rectangle is 84 square feet. The side lengths are x-2 and x+3. What is is the value of x?
HINT: Start with an array to multiply the two binomials. Set the trinomial equal to zero...
Distance is POSITIVE:)
x = 9
500
Simplify: a(b - c) - 2a(c + b)
-1ab - 3ac
500
The square root of a non-perfect square OR a decimal that does not repeat or end is known as what kind as number?
irrational
500
If two lines intersect, then the solution to the system is:
a. One solution
b. Infinitely Many Solutions
c. No solution
One solution
500
Factor the perfect square trinomial
x2 - 8x + 16
(x - 4)2
500
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 in Desmos
C - move the decimal place back 2 places
B - use fraction symbol in calculator or the DESMOS-like calculator embedded in the test