math pssa vocab

what is a perfect cube?

• a number that has a rational number as its cube root.

• one of three equal factors of a number whose cube is equal to that number.

• a cube with 6 faces.

• a number that has a rational number as its square root.

Tags

CCSS.8.EE.A.2

what is a square root?

• one of three equal factors of a number whose cube is equal to that number.

• a square with 5 sides.

• a number that can be expressed as a fraction.

• one of the two equal factors of a number.

Tags

CCSS.8.EE.A.2

what is a relation?

• a relation in which each input has exactly one output.

• a set of two or more linear equations that have the same variables.

• a function whose graph does not form a straight line.

• a set of ordered pairs.

Tags

CCSS.8.F.A.1

what is a proportional relationship?

• a multiplication expression in which the first factor is

  greater than or equal to 1 but less than 10 and the

  second factor is a power of 10.

• the constant multiplier by which one variable in a

  proportional relationship is related to the other

  variable.

• an equation stating that two ratios are equal.

• a term used to describe a pair of equivalent ratios.

Tags

CCSS.7.RP.A.2D

what is scientific notation?

• a scientists favorite game.

• a multiplication expression in which the first factor is

  greater than or equal to 1 but less than 10 and the

  second factor is a power of 10.

• a term used to describe a pair of equivalent ratios.

• the constant multiplier by which one variable in a

  proportional relationship is related to the other

  variable.

Tags

CCSS.8.EE.A.3

what is slope?

• an equation stating that two ratios are equal.

• a set of two or more linear equations that have the same variables.

• a ratio that describes the change in y-coordinates

  compared to the change in x-coordinates.(R.O.C)

• the y-value of a function when x=0.

Tags

CCSS.8.EE.B.5

what is the vertical line test?

• a vertical line is drawn to see how far 10 points are from each other.

• if a vertical line can be drawn so that it passes

  through more than one point on a graph, the relation

  is not a function.

• a mirror image of a figure.

• a set of ordered pairs.

what is slope intercept form?

• the slope of the slide.

• the y-value of a function when x=0.

• y=mx + b; m=slope; b= y-intercept

• a set of two or more linear equations that have the same variables.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

what is an irrational number?

• a number that can be expressed as a fraction.

• a decimal that comes to an end.

• a number that has a rational number as its square root.

• a number that cannot be expressed as a fraction.

Tags

CCSS.8.NS.A.1

what is initial value?

• an equation stating that two ratios are equal.

• the starting point of a race.

• the y-value of a function when x=0; (y-intercept)

• the constant multiplier by which one variable in a

  proportional relationship is related to the other

  variable.(u.r)

Tags

CCSS.8.EE.B.5