exam Maths Puzzle Numerical Ability

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Complete the square as an aid in graphing

y = x^2 + 2x - 1

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exam Other Question

match the terms with the definitions

terms
1. (5x + 2y)2
2. (x - 2y)2
3. (x - 2y) (x + 2y)
4. (5x - 2y)2
5. (5x + 2y) (5x - 2y)

definitions
a. x2 - 4xy + 4y
b. Find the domain of the logarithmic function.
f(x) = log 8 (x + 1)
a. (-1, ∞)
b. (1, ∞)
c. (-∞, 0) or (0, ∞)
d. (8, ∞)