I can use rules to match inputs to their outputs and vice versa
120
72
11
60
50
One step functions
- A one-step function is where you perform just one
operation on the input.
- You will learn to understand that for each number you put into a
function machine, there is an output.
- You will also practise to “work backwards” to find the input given the output.
One step functions
One step functions
One step functions
4 164 -5
10 10.8 15 2 -3
y + 23 = 56 so y = 33 6y = 72 so y = 12 y – 12 = 22 so y = 34 42 = 7 + y so y = 35
x – 12 = 40 so x = 52 If Jerry lost 24 cards and had 40 left, then x – 24 = 40 so x = 64. If Jerry lost 12 cards and had 80 left, then x – 12 = 80 so x = 92.
I agree with Ranjit the value of a is 6. 4a is the same as 4 x a. 4 x 6 = 24 Jane has added 20 to make 24 which is incorrect.
Year 7 function machine
Ketna Mistry
Created on January 9, 2022
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Transcript
I can use rules to match inputs to their outputs and vice versa
120
72
11
60
50
One step functions
One step functions
One step functions
One step functions
4 164 -5
10 10.8 15 2 -3
y + 23 = 56 so y = 33 6y = 72 so y = 12 y – 12 = 22 so y = 34 42 = 7 + y so y = 35
x – 12 = 40 so x = 52 If Jerry lost 24 cards and had 40 left, then x – 24 = 40 so x = 64. If Jerry lost 12 cards and had 80 left, then x – 12 = 80 so x = 92.
I agree with Ranjit the value of a is 6. 4a is the same as 4 x a. 4 x 6 = 24 Jane has added 20 to make 24 which is incorrect.