exam
Maths Puzzle
Numerical Ability
I am trying to solve and graph x^2+y^2+4x+2y-20=0.
I came up with (-2,-1) radius 5 but I think something is wrong
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exam Other Question
Write the equation of the line with slope -1/2 and y-intercept (0,3)
Just double checking my work
Y = mx + b
y = -1/2x +5
Are the following lines parellel, perpendicular, or neither?
L1 through (-4, -7) and (1, 3)
L2 through (2, 6) and (4, 10)