Starter 15 November 2021
Authored by Teacher Afiqah
Mathematics
6th - 11th Grade
Used 2+ times
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5 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What are the 2 things needed to create equation of a straight line
gradient
y-intercept
the y-axis
x-axis
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is the formula for gradient?
A
B
C
D
Answer explanation
It is okay if you insert y1 first.
But you need to do the same for the denominator.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The gradient of the line y = 4x + 2
4
2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Calculate the equation of the straight line
y = 2x - 1
y = 2x + 1
y = -2x - 1
y = 0.5x -1
Answer explanation
1) Calculate the gradient, m, using the formula
2) Substitute the coordinates
3) Identify c: the points where it cuts the y-axis.
4) Substitute the found m & c into y=mx+c
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Calculate the equation of the straight line
y = - x - 7
y = -x + 7
y = - 2x + 7
y = 2x + 7
Answer explanation
In step 3:
1) Pick one known coordinates
2) Pick the coordinate where it cut the y-axis : (0, c)
3) Substitute into the eqn
4) Use the same gradient
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