Because 843,000 is closer to 840,000 than 850,000
The perpendicular line would have a slope of 1/3.
Perpendicular lines have opposite and reciprocal slopes.
To do the opposite, take the original slope (-3) and change the sign (3).
To do the reciprocal, take the slope we changed (3) and flip it as a fraction (1/3).
This gives us a new slope of 1/3.
Answer:
The answer is B.
Step-by-step explanation:
Answer:
X = 9 or x = -9
Step-by-step explanation:
We want to solve the quadratic equation
We shall use the square root method
Let us add 4 to both sides to get:
We take square to get:
The solution is x=9 or -9
1. Take the two x-axis intersections.
For Q 31 it is:
x = -4 and x = 0
2. Reorganise the previous equations
x +4 = 0 and x = 0
3. Put the x side in brackets
x(x+4)
4. Done
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Q 32
x = -1
x = 5
x + 1 = 0
x - 5 = 0
(x+1)(x-5)