Undefined slope = straight vertical line
Which would be an equation like x =...
for this point it is x = -3
The graph of the pupil's score is an illustration of scatter plots
The student's expected score in paper 2 is 62
<h3>How to predict the score in the missed paper</h3>
To predict the score of the pupil in the missed paper, we simply interpret the points on the line of best fit of the scatter plot
From the graph (see attachment), we have:
Paper 2 = 62 when Paper 1 = 50
This means that the student's expected score in paper 2 is 62
Read more about scatter plots at:
brainly.com/question/6592115
Answer:
1. 3 7/12 (decimal: 3.583333)
2. -5 3/28
3. 2 29/40
4. −1 9
/14
1. a+3a+4b=5b
2. a+3a=5b-4b
3. 4a=5b-4b
4. 4a=b
a=1/4b
(I think 1/4b is the answer) hope this helps :)