Understanding Linear Functions and Geometry

The video tutorial provides a comprehensive review of various math problems, including equations of lines, slope comparisons, non-linear functions, y-intercepts, linear vs non-linear sequences, irrational numbers, squares and cubes of integers, statistical associations, linear points, graphing linear equations, square perimeters, slope calculations, ordering values, and solving equations. The instructor offers detailed explanations and strategies for solving each problem, emphasizing the importance of understanding concepts and practicing problem-solving skills.

What should you do before watching the final review video?

• Ask a friend for help.

• Skip the video and move on.

• Watch the video immediately.

• Complete all previous assignments.

What is the equation of a line with a y-intercept of -2 and a slope of 2/3?

• y = 2/3x + 3

• y = 3/2x - 3

• y = 2/3x - 2

• y = 3/2x + 2

Which of the following indicates a non-linear function?

• x has no exponent

• x is in the denominator

• x is in the numerator

• x equals zero

Which of these is an irrational number?

• 4

• Square root of 6 squared

• 0.75

• Square root of 18

What is the square of an integer and also the cube of an integer?

• 100

• 16

• 8

• 64

What is the meaning of the y-intercept in the equation y = 98 - 16/5x?

• The score when a student is absent

• The score when a student is not absent

• The number of days absent

• The average score

What is the perimeter of a square with an area of 49 cm²?

• 28 cm

• 35 cm

• 14 cm

• 21 cm

Which graph represents the equation y = -x?

• A vertical line

• A line going up from left to right

• A horizontal line

• A line going down from left to right through the origin

How do you find the slope of a line passing through two points?

• Add the x-coordinates

• Subtract the y-coordinates

• Divide the change in y by the change in x

• Multiply the x and y coordinates

What is the positive integer closest to the square root of 230?

• 14

• 17

• 15

• 16