ANSWER ASAP ILL MARK BRAINLIEST find all the real zeros of the quadratic function.
f(x)=2x²-6x-1​

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)

What is the geometric mean of 3 and 7? a) square root of 21 b) 2 square root of 6 c) 2 square root of 7 d) 21