The Number System
Is √16 rational or irrational?
Rational
Simplify: 2³ × 2²
2⁵ or 32
Is the relation {(1, 2), (2, 3), (3, 4)} a function?
Yes
Name the transformation: A shape is flipped over the x-axis.
Reflection
What kind of graph best shows a relationship between two quantities?
Scatter plot
Convert .6̅3̅ into a fraction.
7/11
What is the value of 4⁰?
1
What is the slope of the line y = 3x + 2?
3
What is the volume of a cylinder with radius 3 and height 5? (Use π ≈ 3.14)
≈141.3
What is an outlier?
A data point far from others
Approximate √50 to the nearest whole number.
7
Solve: 3(x - 2) = 9
x = 5
Complete the table for f(x) = 2x when x = 1, 2, 3
2, 4, 6
Are the angles in a triangle always equal to 180°?
Yes
What kind of association is shown in a scatter plot where y increases as x increases?
Positive association
What is the cube root of 27?
3
Solve the system: y = 2x + 1 and y = -x + 4
(1,3)
Compare the functions: f(x) = 2x + 1 and g(x) = 2x + 3. Which has the higher y-intercept?
g(x)
If a triangle has angles 30° and 60°, what is the third angle?
90°
In a best-fit line, what does the slope represent?
Rate of change
Order the following from least to greatest: π, 3.2, √10
3.2, π, √10
Is x = 2 a solution to the equation: 4x + 1 = 3x + 5?
No
Interpret the slope and y-intercept of y = -4x + 10
Slope = -4, y-intercept = 10
Use the Pythagorean Theorem to find the hypotenuse of a right triangle with legs 6 and 8.
10
What is the purpose of a two-way frequency table?
To compare two categorical variables