Answer:
B) A < 0
Step-by-step explanation:
I had the same question, and got it right.
Look at the coefficient of x², ignore the positive or negative sign. The larger the coefficient, the narrower the graph.
in this case, the coefficients are -2, -1/2, -4, and 1/7
ignore the positive or negative sign, 4 is the largest number, so y=-4x² is the narrowest.
Note: the positive/negative sign tells you whether the graph opens upward or downward. It doesn't determine the width of the graph.
16/1 *4/3
16*4 then divide that answer by 3.
Perimeter=22 inches
Area=121/4 inches
