exam
Maths Puzzle
Numerical Ability
Erynn walked at a constant rate for 2 hours and bicycled at three times that rate for 1/3 hours. She traveled 12km in all. What was her walking rate?
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exam Other Question
The diameter of a small pizza is 16 centimeters. This is 2 centimeters more than two fiths of the diameter of a large pizza. Find the diameter of the larger.
Find the axis of symmetry...
1. y=-x^2+4x+2
2. y=x^2+x+1
Find the x-intercepts...
1.y=x^2+2x-8
2. y=x^2-5x-10