Algebra 1 Semester Review Challenge

What is the x-intercept of the equation x - y = -3?

• (3, 0)

• (0, 3)

• (0, -3)

• (-3, 0)

What is the y-intercept of the line with equation x + 3y = 3 when x = 0?

• 1

• 0

• -1

• 3

Which test is used to determine if a graph represents a function?

• Diagonal line test

• Vertical line test

• Function line test

• Horizontal line test

If f(x) = 2x - 4, what is f(4)?

• 8

• 4

• -4

• 0

What is the slope of the line passing through the points (6, 18) and (10, -14)?

• -8

• 8

• -32

• 32

What is the slope-intercept form of the equation 6x + y = -1?

• y = 6x + 1

• y = -6x - 1

• y = 6x - 1

• y = -6x + 1

For lines to be perpendicular, what must be true about their slopes?

• They must be equal

• They must be the same sign

• They must be opposite reciprocals

• They must sum up to zero

What is the equation of a line that is parallel to y = 4x + 5 and passes through the point (3, 2)?

• y = 4x - 2

• y = 4x + 2

• y = 4x - 10

• y = -4x + 2

What does a positive correlation in a scatter plot indicate?

• No relationship between x and y

• As x increases, y decreases

• As x decreases, y increases

• As x increases, y also increases

Using the points (1993, 9.6) and (1998, 13.6), what is the slope of the line of best fit?

• 5

• 1

• 4

• 0.8