Using the fx-CG50 for number and algebra

12 questions

1. An ___ is used to show 2 expressions that are equal to each other.
2. Equations which represent different relationships between the same variables are called ___ equations.
3. A ___ is an equation, graph, or sequence whereby the highest exponent of the variable is 2.
4. Equations can only be solved numerically.
5. Solve to find the value for a that satisfies 2a + 7 = 1
6. Solve to find the values of x that satisfy the equation 4x^2 + 20x + 21 = 0
7. Use your calculator to solve a^2 - 12a + 11 = 0
8. Use your calculator to solve x^2 + 6x + 8 = 3
9. Use your calculator to solve x^2 + 12x - 15 = 4x + 5
10. For the formula v = u + at, what is the value of a when v = 20, u = 4 and t = 4?
11. For the formula Q = \frac{f}{s - v}, what is the value of s when v = 5, f = 16\;000 and Q = 45\;000? Give your answer to 2 d.p.
12. For the formula A = 2\pi r^2 + 2\pi rh, what is the value of r when A = 756 and h = 22? Give your answer to 2 d.p.

License: OGL