Question

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Answer 1

Answer:

Part A: Option C

Part B: Option B

Step-by-step explanation:

Part A:  

We have to find the equation of a straight line having x-intercept at (3,0) and y-intercept at (0,2).

Now, using intercept form of straight line equation we can write the equation of the required straight line is $\frac{x}{3} + \frac{y}{2} = 1$

⇒ $\frac{y}{2} = 1 - \frac{x}{3}$

⇒ $y = - \frac{2}{3} x + 2$  

So, option C is correct. (Answer)

Part B:  

See the graph of the straight line provided.

The straight line passes through the points (10, 80) and (20, 100)

Therefore, the slope of the straight line is given by $\frac{100 - 80}{20 - 10} = \frac{20}{10} = 2$

therefore, option B is correct. (Answer)