What is the value of f(8) for the function f(x) = (3x + 4) / 2?

Functions and Linear Relationships

Interactive Video
•

Emma Peterson
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Mathematics
•
9th - 10th Grade
•
1 plays
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
18
12
16
14
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the common ratio of the sequence where the first two terms are x and 2x^2?
x^2
2x^2
2x
x
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which value of x would make the relation a function if the x-values are -4, 3, and -1?
-4
3
-1
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of distributing 1/3 in the expression 1/3(6x^2 - 3x + 9)?
2x^2 - x + 3
2x^3 - x^2 + 3x
2x^2 - x^2 + 3
2x^2 - x + 3x
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which polynomial function has zeros at x = 2 and x = -3?
x^2 + 5x + 6
x^2 + x - 6
x^2 - x - 6
x^2 - 5x + 6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the constant term in the polynomial 3x^3 + 2x^2 + 7x + 6?
3
6
2
7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which situation can be modeled by a linear function?
A car's value decreases by 7% annually.
A gym charges a $50 initial fee and $30 per month.
An investment grows by 5% annually.
Bacteria in a lab doubles weekly.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the y-intercept of the function y = sqrt(x - 3) when x = 0?
3
1
0
-3
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of a_4 in the recursive sequence defined by a_n = 3a_(n-1) + 1, with a_1 = -2?
-41
-14
-5
-42
10.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which set of calculations converts 1500 meters in 15.42 minutes to miles per hour?
1500 / 3.281 / 5280 * 60 / 15.42
1500 / 3.281 * 5280 / 60 * 15.42
1500 * 3.281 / 5280 * 60 / 15.42
1500 * 3.281 * 5280 / 60 / 15.42
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