Linear polynomial
Substitute a value into a linear polynomial.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
p(x) = ax + b
Variables & units
- Coefficient a
- Numeric value · minimum -1000000000, maximum 1000000000
- Constant b
- Numeric value · minimum -1000000000, maximum 1000000000
- Value of x
- Numeric value · minimum -1000000000, maximum 1000000000
Worked example
For p(x) = 3x + 2, p(4) = 14.
Assumptions
Multiply a by x before adding b. If a = 0, the polynomial is constant.
Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.
Practice with an example
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