# Slope of a line

## Quiz by Maher Mahmoud Said Hamidi

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9 questions
• Q1
Which of the following represents a line with a positive slope?
y = -3x + 5
y = 2x + 3
y = -4x + 2
y = 0.5x - 1
30s
• Q2
Which of the following is the correct formula to calculate the slope of a line given two points (x1, y1) and (x2, y2)?
(y1 - y2) / (x1 - x2)
(x2 - x1) / (y2 - y1)
(y2 - y1) / (x2 - x1)
(x1 - x2) / (y1 - y2)
30s
• Q3
What does a negative slope indicate?
A horizontal line.
A vertical line.
A line sloping downwards from left to right.
A line sloping upwards from left to right.
30s
• Q4
What does a slope of zero indicate?
A horizontal line.
A line sloping downwards from left to right.
A line sloping upwards from left to right.
A vertical line.
30s
• Q5
What is the slope of a vertical line?
Negative
Positive
Undefined
Zero
30s
• Q6
What is the slope-intercept form of a linear equation?
y = mx + b
y = ax^2 + bx + c
y = cx + d
y = mx^2 + nx + p
y = mx + p
30s
• Q7
Which of the following lines has a negative slope?
y = -3x + 2
y = 4x + 1
y = 2x + 5
y = 0.5x - 3
30s
• Q8
If two lines have the same slope, what can be said about their steepness?
Their steepness cannot be determined.
One is steeper than the other.
They have the same steepness.
One is shallower than the other.
30s
• Q9
What is the slope of a horizontal line?
Zero
Undefined
Positive
Negative
30s

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