The graph of the linear function f is shown, where y = f(x). What is the y-
intercept of the graph of f ?
The graph of the linear function f is shown, where y = f(x). What is the y-intercept of the graph of f ?
A
(0,6)
B
(0,0)
C
(0,-4)
D
(0,-6)
2
Easy · B22
Each rock in a collection of 70 rocks was classified as either igneous, metamorphic, or sedimentary, as shown in the frequency table.
Classification
Frequency
igneous
10
metamorphic
38
sedimentary
22
If one of these rocks is selected at random, what is the probability of selecting a rock that is igneous?
If one of these rocks is selected at random, what is the probability of selecting a rock that is igneous?
A
B
C
D
3
Easy · B13
Each side of square A has a length of 13 inches. Each side of square A is multiplied by a scale factor of 3 to create square B. What is the length. in inches, of each side of square B?
Each side of square A has a length of 13 inches. Each side of square A is multiplied by a scale factor of 3 to create square B. What is the length. in inches, of each side of square B?
A
10
B
13
C
16
D
39
4
Intermediate · B44
The function f(x) = (x - 6)2 + 3 gives a toy car's height above the ground f(x), in inches, x seconds after it started moving on an elevated track, where 0 ≤ x ≤ 10. Which of the following is the best interpretation of the vertex of the graph of y = f(x) in the xy-plane?
The function f(x) = (x - 6)2 + 3 gives a toy car's height above the ground f(x), in inches, x seconds after it started moving on an elevated track, where 0 ≤ x ≤ 10. Which of the following is the best interpretation of the vertex of the graph of y = f(x) in the xy-plane?
A
The toy car's minimum height was 3 inches above the ground.
B
The toy car's minimum height was 6 inches above the ground.
C
The toy car's height was 3 inches above the ground when it started moving.
D
The toy car's height was 6 inches above the ground when it started moving.
5
Intermediate · B45
If 3x=8, what is the value of 21x ?
If 3x=8, what is the value of 21x ?
A
1
B
15
C
31
D
56
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