First, multiple-choice questions (4 points× 6 = 24 points) 1, if k > 0, point P (-k, k) is in () A, the first quadrant B, the second quadrant C, the third quadrant D and the fourth quadrant 2. Xiao Ming's five-time long jump score (unit: meter) is: 3.6,3. The median of this set of data is () a, 3.9 B, 3.8 C, 4.2 D and 4.0 3. The correct ones in the following categories are () A, B, C, D, 4. If the image of the linear function y=kx+b is known as shown in the figure, the range of values of k and b is () a, k.