Asked by Kim
y^2-x-4=0
a)find all x and y intercepts of the graph implied by this equation. (use an appropriate equation).
b) test the graph for symmetry using algebra. (explain reasoning through algebra)
a)find all x and y intercepts of the graph implied by this equation. (use an appropriate equation).
b) test the graph for symmetry using algebra. (explain reasoning through algebra)
Answers
Answered by
Reiny
y^2 = x+4
let x = 0 ---> y^2 = 4 , y = ± 2
let y = 0
x+4=0 ----> x = -4
A quick sketch will show a parabola with vertex (-4,0), opening to the right, and axis of symmetry the x-axis
let x = 0 ---> y^2 = 4 , y = ± 2
let y = 0
x+4=0 ----> x = -4
A quick sketch will show a parabola with vertex (-4,0), opening to the right, and axis of symmetry the x-axis
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