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Algebra Basics: Inequalities In Algebra - Math Antics

Question 10

Can the slope of a line be negative?

A.No, slope is always positive

B.Yes, depending on the direction of the line

C.Slope is zero for horizontal lines

D.Not applicable

Question 1

What is the equation used to represent any linear function on the 2D coordinate plane?

A.y = mx + b

B.y = ax^2 + bx + c

C.y = a/x + b

D.y = log(x) + b

Question 2

What is the formula for calculating the slope of a line?

A.Slope = (delta X) over (delta Y)

B.Slope = (delta Y) over (delta X)

C.Slope = (X1 + X2) / (Y1 + Y2)

D.Slope = (Y2 - Y1) / (X2 + X1)

Question 3

Which Greek letter is used to abbreviate 'change in' when discussing changes in coordinates?

A.Gamma

B.Alpha

C.Delta

D.Beta

Question 4

How do you calculate delta X?

A.delta X = X1 - X2

B.delta X = X2 - X1

C.delta X = X1 + X2

D.delta X = X2 * X1

Question 5

What does the slope equation 'rise over run' mean?

A.Change in Y divided by change in X

B.X2 minus X1

C.Sum of Y coordinates over sum of X coordinates

D.Change in X divided by change in Y

Question 6

What theorem does the Distance Formula borrow from?

A.The Quadratic Theorem

B.The Pythagorean Theorem

C.The Cubic Theorem

D.The Sine Rule

Question 7

What is the formula to calculate the distance between two points on a line?

A.Distance = sqrt[(delta X) - (delta Y)]

B.Distance = sqrt[(delta X) + (delta Y)]

C.Distance = sqrt[(delta X)^2 + (delta Y)^2]

D.Distance = sqrt[delta X * delta Y]

Question 8

Which coordinate naming convention is used in the video for two points?

A.(X1, X2), (Y1, Y2)

B.(1X, 2X), (1Y, 2Y)

C.(X_sub1, X_sub2), (Y_sub1, Y_sub2)

D.(A, B), (C, D)

Question 9

What do the subscript numbers in coordinates like X1 and Y1 represent?

A.Multiplication of coordinates

B.Exponential power of coordinates

C.Identification of points

D.average of coordinates