11.Determine whether the given points are on the graph of y=2x+3

12.Determine which of the following is a graph of y=x²+1 by plotting at least 3 points.

22.Consider the curve given by the equation: -4x2-5xy-4y2=136

What symmetries does this curve display?

23.Consider the curve given by the equation:

-3x2-2x-3y2=72

What symmetries does this curve display?

24.Consider the curve given by the equation

5x2-4y+4y2=57

What symmetries does this curve display?

25.Consider the curve given by the equation:

3x2+3y2=100

What symmetries does this curve display?

26.Consider the curve given by the equation:

-5x3+4y3=108

What symmetries does this curve display?

27.Consider the curve given by the equation:

-4x2-4x-2y+2y2=143

What symmetries does this curve display?

28.Suppose the point P=(16,1) is reflected across the x-axis to the point 'P

The coordinates of 'P=

29.Suppose the point P=(2,4) is reflected across the y-axis to the point 'P

The coordinates of 'P'=

30.Suppose the point P=(13,1) is reflected across the origin to the point 'P

The coordinates of 'P' =

35.What are the intercepts of y=-2x+4?