1,266 questions
Most triedMost missedNewest- Calculate −5 × 4 + 30.
- Write 1/40 as a decimal.
- Simplify 4(x + 2) − 3(x − 1).
- Simplify (2x³)².
- Write 6.2 × 10⁵ as an ordinary number.
- Factorise x² + 7x + 12.
- Simplify 2/x + 3/x.
- Solve x² = 81.
- What is the gradient of a horizontal line?
- A cube has a volume of 125 cm³. What is the length of each edge?
- Which average is most affected by one very large value?
- Solve x² + 2x − 15 = 0.
- Solve 2x² − 8 = 0.
- Solve x² = 7x.
- Factorise 2x² + 7x + 3.
- In the quadratic formula for ax² + bx + c = 0, what is x?
- How many real roots does x² + 4x + 4 = 0 have?
- What is the minimum value of y = (x − 3)² + 2?
- The graph of y = x² − 4 crosses the x-axis at …
- A rectangle is (x + 2) cm long and x cm wide. Its area is 35 cm². Find x.
- f(x) = 3x − 4. Find f(5).
- f(x) = 2x + 1. Find the inverse function f⁻¹(x).
- f(x) = x² and g(x) = x + 3. Find fg(2).
- f(x) = x² and g(x) = x + 3. Find gf(2).
- For f(x) = 1/(x − 2), which value of x must be left out of the domain?
- f(x) = 5 − 2x. For what value of x is f(x) = 1?
- y varies directly as x². When x = 2, y = 12. Find y when x = 3.
- y varies inversely as x. When x = 4, y = 6. Find y when x = 8.
- Which graph shows y varying directly as x?
- If y ∝ 1/x² and x is doubled, what happens to y?