algebra 1 STAAR review

Front

What is the formula for exponential growth?

Back

The formula for exponential growth is y = a(1 + r)^t, where 'a' is the initial amount, 'r' is the growth rate, and 't' is time.

Tags

CCSS.HSF-IF.C.8B

Front

How do you find the zeros of a quadratic function?

Back

To find the zeros of a quadratic function, set the function equal to zero and solve for x using factoring, the quadratic formula, or completing the square.

Tags

CCSS.HSF-IF.C.7C

Front

What is the difference between correlation and causation?

Back

Correlation indicates a relationship between two variables, while causation indicates that one variable directly affects the other.

Tags

CCSS.HSS.ID.C.9

Front

What does it mean for a function to have an initial amount?

Back

An initial amount is the starting value of a function before any growth or decay occurs, often represented as 'a' in the function y = a(1 + r)^t.

Tags

CCSS.HSF.LE.B.5

Front

How do you solve for a variable in an equation?

Back

To solve for a variable, isolate the variable on one side of the equation using inverse operations.

Tags

CCSS.7.EE.B.4A

Front

What is the formula for calculating percentage increase?

Back

Percentage increase is calculated using the formula: ((new value - original value) / original value) * 100.

Tags

CCSS.6.RP.A.3C

Front

What is a quadratic function?

Back

A quadratic function is a polynomial function of degree 2, typically in the form f(x) = ax^2 + bx + c.

Front

What does the term 'growth rate' refer to in mathematics?

Back

The growth rate refers to the percentage at which a quantity increases over a specific period of time.

Tags

CCSS.HSF-IF.C.8B

Front

How do you express a percentage as a decimal?

Back

To express a percentage as a decimal, divide the percentage by 100.

Front

What is the significance of the vertex in a quadratic function?

Back

The vertex of a quadratic function represents the maximum or minimum point of the graph, depending on the direction of the parabola.