If f(x) = 6x – 2, find f(8).
Correct answer(s):
- 46
Topic
Functions
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Quizzes in Functions for Grade 8
If f(x) = 6x + 7, find f(8).
Correct answer(s):
- 55
If f(x) = -2x + 3, find f(3).
Correct answer(s):
- -3
If f(x) = -2x – 7, find f(-5).
Correct answer(s):
- 3
If f(x) = 6x + 6, find f(-4).
Correct answer(s):
- -18
If f(x) = -2x + 4, find f(4).
Correct answer(s):
- -4
If f(x) = 3x – 2, find f(-5).
Correct answer(s):
- -17
If f(x) = -2x + 7, find f(4).
Correct answer(s):
- -1
If f(x) = -3x + 6, find f(-2).
Correct answer(s):
- 12
If f(x) = -4x – 6, find f(2).
Correct answer(s):
- -14
Which ordered pairs satisfy y = 2x − 1?
Correct answer(s):
- (1, 1)
- (−1, −3)
- (3, 5)
- (2, 3)
If f(x) = 5x + 7, find f(-5).
Correct answer(s):
- -18
If f(x) = 3x – 1, find f(6).
Correct answer(s):
- 17
If f(x) = -2x – 6, find f(-1).
Correct answer(s):
- -4
If f(x) = -2x + 1, find f(-3).
Correct answer(s):
- 7
If f(x) = 6x + 9, find f(-1).
Correct answer(s):
- 3
If f(x) = 5x – 6, find f(-2).
Correct answer(s):
- -16
If f(x) = -3x – 8, find f(8).
Correct answer(s):
- -32
A linear rule produces these values: x=2 gives y=3, x=3 gives y=7, x=6 gives y=19. Which rule matches the table?
Correct answer(s):
- y = 4x - 5
A linear rule produces these values: x=6 gives y=20, x=-3 gives y=-7, x=0 gives y=2. Which rule matches the table?
Correct answer(s):
- y = 3x + 2