exam Maths Puzzle Numerical Ability

Identify the vertex , axis of symmetry, and direction of opening for
y=2(x+3)^2-5.

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exam Other Question

7x - 2y = 4
5y + 3x = 10

thank you 3. Steve traveled 600 miles at a certain speed. Had he gone 20mph faster, the trip would have taken 1 hour less. Find the speed of his vehicle.