Algebra Unit 2 Review

Front

Back

Reflect over the x-axis, left: 3, up: 6.

Front

How do you solve the system of equations: 6x + y = -1 and y = -3x - 4 by substitution?

Back

The solution is (1, -7).

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

What is the solution to the system of equations: 2x + 3y = 12 and 5x - y = 13?

Back

The solution is (3, 2).

Tags

CCSS.HSA.REI.C.9

Front

Back

Horizontal shift left 3.

Front

If a system of equations has no solution, what does the graph look like?

Back

The graph consists of parallel lines.

Tags

CCSS.8.EE.C.8A

Front

What does it mean for a function to be reflected over the x-axis?

Back

The output values of the function are negated.

Tags

CCSS.HSF.BF.B.3

Front

What is the definition of a system of equations?

Back

A set of two or more equations with the same variables.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

What does it mean for two lines to be parallel in a system of equations?

Back

They have the same slope but different y-intercepts, and do not intersect.

Tags

CCSS.8.EE.C.8B

Front

How do you identify the vertex of a quadratic function in vertex form?

Back

Front

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

Back

It determines the nature of the roots: positive (two real roots), zero (one real root), negative (no real roots).

Tags

CCSS.HSA-REI.B.4B