Key terms & definitions

An equation stating that two ratios have the same value, such as $\frac{3}{5}=\frac{12}{20}$.

Outcomes are equally likely if each has the same probability of occurring.

Outcomes that each have the same chance of occurring.

Outcomes that each have the same probability of occurring.

A relationship in which both partners have equal worth and a voice in decisions, rather than one controlling the other.

A relationship in which both partners have equal importance and share decisions and responsibilities.

A US federal law passed in 1963 requiring equal pay for men and women performing the same jobs under equal conditions.

The provision of the Fourteenth Amendment to the US Constitution requiring states to give people equal protection of the laws. It provides a basis for challenging arbitrary legal discrimination.

A proposed constitutional amendment, introduced in 1923 with the backing of the National Woman’s Party, intended to establish equal legal rights for women and men. It did not become law in the 1920s.

A proposed change to the US Constitution prohibiting denial of equal rights on account of sex. Congress approved it in 1972, but approval by the required number of states was also necessary.

Campaigns seeking the same legal protection and opportunities for people regardless of their background.

Matching the coefficients of the same powers of a variable in two polynomial expressions that are equal for every value of that variable.

A mathematical statement showing that the expressions on its two sides have the same value.

A mathematical statement that two expressions have equal values.

A mathematical statement saying that two expressions have the same value, shown using an equals sign.

The mass represented by a substance in a balanced equation, calculated as its coefficient multiplied by its $M_r$.

An equation satisfied by exactly the coordinate pairs $(x,y)$ lying on a particular straight line.

The imaginary line around the Earth at $0°$ latitude, halfway between the North and South Poles.

At the same distance from two or more specified points, lines or other objects.

A triangle with three equal sides and three angles of 60°.

A state in which a substance has the same concentration throughout a region, so there is no net movement by diffusion even though particles continue moving randomly.

A state in which the forces on an object are balanced, so the resultant force is zero.

A state in which the forces acting on an object are balanced, so its resultant force is zero and it does not accelerate.

A state of balance. In Lola’s poem, it becomes a metaphor for the relationship between a new life beginning and an older life approaching its end.

A state of mental balance in which experiences fit a person's existing schemas.

A relatively stable state in a narrative before a disruption or after a problem has been resolved.

The relative amounts of reactants and products present in a system at equilibrium.

The undisturbed position about which a particle or object oscillates.

The relative amounts of reactants and products in a mixture at equilibrium.

A value that an iterative process approaches and that remains unchanged when put back into the rule.