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Evaluate expressions with one variable for a given value

Year 6 maths · Fieldbook Learning

Name ______________________ Date __________

Put the given number in place of the letter, then multiply before you add or subtract.

f(x) = −5x + 1. Find f(−4).
f(x) = 5x − 2. Find f(1).
f(x) = −4x + 7. Find f(4).
f(x) = 3x + 2. Find f(−4).
f(x) = −5x + 5. Find f(−3).
f(x) = x − 6. Find f(−5).
f(x) = 5x + 1. Find f(2).
f(x) = −3x − 1. Find f(0).
f(x) = −2x − 8. Find f(3).
f(x) = −2x − 6. Find f(0).
f(x) = −2x − 2. Find f(−2).
f(x) = x − 1. Find f(−4).
f(x) = −2x − 4. Find f(1).
f(x) = 5x + 7. Find f(0).
f(x) = 2x − 4. Find f(−4).
f(x) = −4x + 3. Find f(0).
f(x) = −5x + 3. Find f(−3).
f(x) = 5x + 5. Find f(2).
f(x) = −5x + 9. Find f(−1).
f(x) = −x − 3. Find f(2).

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Answer key: Evaluate expressions with one variable for a given value

21
3
-9
-10
20
-11
11
-1
-14
-6
2
-5
-6
7
-12
3
18
15
14
-5