IB MAI HL Functions Topic 2.1 Linear Equations & Graphs (id: 9d47a3e81)

本题目来源于试卷: IB MAI HL Functions Topic 2.1 Linear Equations & Graphs，类别为 IB数学

[填空题]
The diagram below shows zh *ah3(8jn hqce pj+d6d q7t(a strai rjx2*ws lno:3nkqw4+ ght line $L_1$​ which passes through A(0,−2) and B(8,0).

1.Write down the coordinates of the midpoint of line segment [AB]. (a,b) a=   b=  
Another line, $L_2$​ , intersects the $y$-axis at C(0,3) and is parallel to $L_1$​​.
2.Find the gradient of $L_2$​​. $L_2$ =   
3.Find the equation of $L_2$​​​, giving your answer in the form y=mx+c. m =    c =   

参考答案:
空格1: 4  空格2: −1  空格3: 0.25±2%  空格4: 0.25  空格5: 3 


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