QSE #2 Review

Front

What is a system of equations?

Back

A system of equations is a set of two or more equations with the same variables. The solution is the set of values that satisfy all equations simultaneously.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

How do you represent the price of items in a system of equations?

Back

You can represent the price of items using variables, such as x for apples, y for oranges, and z for pears, and create equations based on the total cost of purchases.

Front

What is the vertex of a quadratic function?

Back

Front

How do you find the domain of a function?

Back

The domain of a function is the set of all possible input values (x-values) for which the function is defined.

Front

What is the range of a function?

Back

The range of a function is the set of all possible output values (y-values) that the function can produce.

Front

What is the quadratic formula?

Back

Tags

CCSS.HSA-REI.B.4B

Front

How do you write a system of equations from a word problem?

Back

Identify the variables, translate the relationships and conditions into equations, and ensure the equations represent the problem accurately.

Tags

CCSS.8.EE.C.8C

Front

What does it mean for a quadratic equation to have no real solution?

Back

A quadratic equation has no real solution when the discriminant (b^2 - 4ac) is less than zero, indicating that the graph does not intersect the x-axis.

Tags

CCSS.HSA-REI.B.4B

Front

What is the significance of the discriminant in a quadratic equation?

Back

The discriminant determines the nature of the roots of the quadratic equation: if it's positive, there are two real solutions; if zero, one real solution; if negative, no real solutions.

Tags

CCSS.HSA-REI.B.4B

Front

How do you solve a system of equations using substitution?

Back

To solve using substitution, solve one equation for one variable and substitute that expression into the other equation.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6