Vocabulary
What term means a number that has a decimal that repeats forever, like 0.333... ?
Repeating decimal
Which is greater: −3 or −8?
Answer: −3.
Evaluate: 8+6(3).
Answer: 26.
What is the solution to x+9=17?
Answer: x=8
What is the y-intercept in the equation y=2x+5?
Answer: 5.
What term describes a value that can be written as a ratio of two integers?
Rational number.
Order from least to greatest: 0.4, 12, 0.450.4, 21, 0.45.
Answer: 0.4, 0.45, 120.4, 0.45, 21.
Compute: −4+15.
Answer: 11
Solve: 3x=24
Answer: x = 8
If a table shows the pairs (1,3),(2,5),(3,7) what is the rule?
Answer: y=2x+1.
What does “coefficient” mean in an expression like 7x?
The numerical factor multiplying the variable.
Multiple choice: Which number is irrational?
A. 5885
B. 99
C. π (pi)
D. −2
Answer: C. π (pi)
Multiple choice: What is 3 to the power of 3?
Answer: 27
Multiple choice: Which is equivalent to 2(4x+1)?
A. 8x+1
B. 8x+2
C. 6x+1
D. 4x+2
Answer: B. 8x+2
Multiple choice: Which point is on the graph of y=x−2?
A. (1,3)
B. (4,2)
C. (0,−2)
D. (2,0)
Answer: C. (0,−2).
Multiple choice: Which term means the graph of all points that satisfy an inequality?
A. Solution set
B. Expression
C. Factor
D. Vertex
Answer: A. Solution set.
A student says square root of 50 is between what two whole numbers?
Answer: Between 7 and 8
Multiple choice: What is 2 to the 6th power?
A. 12
B.32
C.64
D.128
Answer: 64
Solve and write your answer in inequality form: x−5>2.
Answer: x>7
What does the slope of a line represent?
Answer: Rate of change
What term means the number of times a digit is used as a factor in repeated multiplication?
Answer: Exponent
What is the opposite of -(16-8) + 3(7-4)?
Answer: 1
Simplify: 5(2x−3)−2x
Answer: 8x−15.
A number decreased by 4 is 13. What is the number?
Answer: 17.
A line rises 3 units for every 1 unit it moves right. What is the slope?
Answer: 3.