91Ó°ÊÓ

The slope of a vertical line is ______ ; the slope of a horizontal line is ______.

On the real number line, the origin is assigned the number _____.

Use the Square Root Method to solve the equation \((x-2)^{2}=9\)

Solve the equation \(x^{2}-9=0\)

If -3 and 5 are the coordinates of two points on the real number line, the distance between these points is ____

Which equation represents a joint variation model? (a) \(y=5 x\) (b) \(y=x^{2}+z^{2}\) (c) \(y=\frac{5}{x}\) (d) \(y=\frac{5 x z}{w}\)

Use the converse of the Pythagorean Theorem to show that a triangle whose sides are of lengths \(11,60,\) and 61 is a right triangle.

The area \(A\) of a triangle whose base is \(b\) and whose altitude is \(h\) is \(A=\) _____.

If the graph of an equation is symmetric with respect to the y-axis and - 4 is an x-intercept of this graph, then ___ is also an x-intercept.

write a general formula to describe each variation. \(v\) varies directly with \(t ; v=16\) when \(t=2\)