Consider the equation y = ax^2 + bx + c, when a > 0. If a is multiplied by -1, what is true about the graph of the new parabola? A) It is one unit to the left of the original parabola

B) It is narrower than the original parabola

C) It is flipped below the x-axis

D) It is wider than the original parabola

I've been told that the answer is D, but I just don't understand why.
Can anyone help explain?

The gades foundation and hbm corporation are eager to donate generously to their favorite charities. the gades foundation donated $250 in the first month, and each month afterward their cumulative donation total increases by 100$ the hbm corporation donated $64, in the first month, and each month afterward their cumulative donation total increases by 75%. in which month will the hbm corporation's cumulative donation total first exceed the gades foundations' cumulative donation total?

Enter the missing numbers in the boxes to complete the table of equivalent ratios.time (min) distance (km)? 36 9? 1512 ?

The liabilities of cullumber are $99,000. owner’s capital is $143,000; drawings are $96,000; revenues, $467,000; and expenses, $301,000. what is the amount of cullumber company’s total assists?