Graph y=2\sin\left(\dfrac{\pi}{10}x\right )-7y=2sin(
10
π

x)−7y, equals, 2, sine, left parenthesis, start fraction, pi, divided by, 10, end fraction, x, right parenthesis, minus, 7 in the interactive widget.

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.