exam Maths Puzzle Numerical Ability

(2,3);(-2,3);(-2,-3);(2,-3).If you join these points ,What will the shape be?My answer is square.

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exam Other Question

Given f(x) = 5x^ - 3x + 1, how would I find f(-2)? Two planes leave Los Angeles at the same time. One heads south to San Diego; the other heads north to San Francisco. The San Francisco plane flies 50 mph faster. In 1/2 hr, the planes are 275 mi apart. What are their speeds?