0.5x + 1.2y = 7.1, 1.5x - 0.8y = 2.3

Frequently Asked Questions

• 使用替换法求解 \({ 0.5x + 1.2y = 7.1, 1.5x - 0.8y = 2.3 }\)

  

  $$\left(x,y\right)=\left(\frac{211}{55},\frac{95}{22}\right)$$

• 使用消元法求解 \({ 0.5x + 1.2y = 7.1, 1.5x - 0.8y = 2.3 }\)

  

  $$\left(x,y\right)=\left(\frac{211}{55},\frac{95}{22}\right)$$

• 使用 Gauss-Jordan 方法求解 \({ 0.5x + 1.2y = 7.1, 1.5x - 0.8y = 2.3 }\)

  

  $$\left(x,y\right)=\left(\frac{211}{55},\frac{95}{22}\right)$$

• 使用克莱默规则求解 \({ 0.5x + 1.2y = 7.1, 1.5x - 0.8y = 2.3 }\)

  

  $$\left(x,y\right)=\left(\frac{211}{55},\frac{95}{22}\right)$$

• 确定直线是否平行、垂直或两者都不平行 \({ 0.5x + 1.2y = 7.1, 1.5x - 0.8y = 2.3 }\)

  

  $$\text{Neither parallel nor perpendicular}$$