import matplotlib.pyplot as plimport numpy as np
x = np.linspace(-10, 10, 400y1 = x2 + 4x + y2 = 2x2 - 4y3 = -0.25x2 - 2*x - y4 = x*2 + 3x - 3.y5 = x2 - 4x + y6 = 2x2 + 12x + 1y7 = -0.5x2 - 4*y8 = -x*2 + 3x - 5
plt.figure(figsize=(15, 10))
plt.subplot(421plt.plot(x, y1plt.title("y=x^2+4x+3")
plt.subplot(422plt.plot(x, y2plt.title("y=2x^2-4x")
plt.subplot(423plt.plot(x, y3plt.title("y=-0.25x^2-2x-3")
plt.subplot(424plt.plot(x, y4plt.title("y=x^2+3x-3.5")
plt.subplot(425plt.plot(x, y5plt.title("y=x^2-4x+3")
plt.subplot(426plt.plot(x, y6plt.title("y=2x^2+12x+10")
plt.subplot(427plt.plot(x, y7plt.title("y=-0.5x^2-4x")
plt.subplot(428plt.plot(x, y8plt.title("y=-x^2+3x-5")
plt.tight_layout(plt.show()
import matplotlib.pyplot as pl
import numpy as np
x = np.linspace(-10, 10, 400
y1 = x2 + 4x +
y2 = 2x2 - 4
y3 = -0.25x2 - 2*x -
y4 = x*2 + 3x - 3.
y5 = x2 - 4x +
y6 = 2x2 + 12x + 1
y7 = -0.5x2 - 4*
y8 = -x*2 + 3x - 5
plt.figure(figsize=(15, 10))
plt.subplot(421
plt.plot(x, y1
plt.title("y=x^2+4x+3")
plt.subplot(422
plt.plot(x, y2
plt.title("y=2x^2-4x")
plt.subplot(423
plt.plot(x, y3
plt.title("y=-0.25x^2-2x-3")
plt.subplot(424
plt.plot(x, y4
plt.title("y=x^2+3x-3.5")
plt.subplot(425
plt.plot(x, y5
plt.title("y=x^2-4x+3")
plt.subplot(426
plt.plot(x, y6
plt.title("y=2x^2+12x+10")
plt.subplot(427
plt.plot(x, y7
plt.title("y=-0.5x^2-4x")
plt.subplot(428
plt.plot(x, y8
plt.title("y=-x^2+3x-5")
plt.tight_layout(
plt.show()