Adrian is asked to use the graph to solve the equation x² - 2x - 1 = 0
He intends to do so by drawing a straight
line on the grid.
Complete Adrian's method to find estimates
for the solutions to the equation x² - 2x - 1 = 0
You must show how you get your solutions.

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

What is the independent variable in this investigation? mass volume sample number substance density