(1 point) Consider the linear equation y = a + bx. a. In the equation, a is A. the dependent variable B. the slope C. the independent variable D. the y-intercept b. In the equation, b is A. the dependent variable B. the independent variable C. the slope D. the y-intercept c. Give the geometric interpretation of a. It indicates A. the y-value where the straight-line graph of the linear equation intersects the y-axis B. how much the x-value on the straight line changes when the y-value increases by unit O C. how much the y-value on the straight line changes when the x-value increases by unit D. the x-value where the straight-line graph of the linear equation intersects the x-axis d. Give the geometric interpretation of b. It indicates A. the y-value where the straight-line graph of the linear equation intersects the y-axis B. how much the y-value on the straight line changes when the x-value increases by unit C. the x-value where the straight-line graph of the linear equation intersects the x-axis D. how much the x-value on the straight line changes when the y-value increases by unit