Scientific Notation
Write 45,000 in scientific notation.
4.5×104
What is the slope of the line y = 3x+5?
3
A fair die is rolled. What is the probability of rolling a 4?
1/6
Two angles add to 90°. What are they called?
Complementary Angles
Evaluate: 3(4+2).
18
Write 7.2×105 in standard form.
720,000
What is the y-intercept of y = −2x+7?
7
A coin is flipped twice. What is the probability of getting two heads?
1/4
Two angles add to 180°. What are they called?
Supplementary Angles
A scatter plot shows points rising from left to right. What type of association does it show?
Positive Association
Simplify: (3×104)(2×103). Write your answer in scientific notation.
6 x 107
Write the equation of a line with slope 4 and y-intercept -1.
y = 4x - 1
In 50 trials, an event happened 18 times. What is the experimental probability?
18/50 or 9/25
If one angle is 68°, what is the measure of its vertical angle?
68°
Simplify: 5x+2x−4.
7x-4
Which number is greater: 5.1×106 or 4.9×107?
4.9 x 107
In the table below, what is the rate of change?
x |1|2|3|
y |5|8|11|
3
A bag contains 3 red and 5 blue marbles. Two marbles are selected with replacement. What is the probability both are red?
9/64
What is the exterior angle theorem?
The sum of the remote interior angles equals the exterior angle of the triangle.
In a scatter plot, what is used to help make predictions of unknown data?
Line of best fit.
The distance from Earth to the Sun is about 149,600,000 km. Write this number in scientific notation.
1.496 x 108
A line has slope -2 and passes through (0, 6). What does the slope tell you about the line when on a graph?
The line decreases 2 units for every 1 unit moved to the right
A spinner has 4 equal sections: red, blue, green, and yellow. It is spun three times. What is the probability of landing on blue all three times?
1/64
Two complementary angles are represented by x and 2x. Find both angle measures.
30° and 60°
Which expression is equivalent to 4(2x−3)+5?
8x-7