What kind of graph is this ?
A. Positive
B. Negative
C. Undefined
D. Zero

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9