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# What are the dimensions of such a rectangle with the greatest possible area?

A rectangle has its two lower corners on the x-axis and its two upper corners on the parabola y=9-x2. What are the dimensions of such a rectangle with the greatest possible area?   1...

# Find the equations to both lines through the point (2,1) that are tangent to the parabola

Find the equations to both lines through the point (2,1) that are tangent to the parabola y=x2+x+4

# Find the equations to both line

Find the equations to both lines through the point (2,1) that are tangent to the parabola y=x2+x+4 y= (smaller slope) y=(larger slope)

# I need help with this equation

Given the equation -5 (x - 2)' -1= , a. Identify the vertex. b. Identify the axis of the symmetry. c. Identify the direction of the graph (whether it opens up or down).

# y=(x-1)^2+4

I need help with parabolas I am a teachers aid

# Whats up with spacing of x^2, 0.5x^2, and 2x^2!?

So, I was playing with an online graphing calculator and I plugged in 0.5x2 x2 and 2x2 and when I went up to higher numbers, such as x=10, I noticed they were unevenly spaced. This...