Congruent Triangles + Alg Review

Front

What are congruent triangles?

Back

Triangles that have the same size and shape, meaning their corresponding sides and angles are equal.

Tags

CCSS.8.G.A.2

Front

If △BAC ≅ △QPR, what can we conclude about the sides and angles of these triangles?

Back

The corresponding sides and angles of △BAC and △QPR are equal.

Tags

CCSS.HSG.CO.B.7

Front

What is the formula for finding the slope of a line?

Back

Slope (m) = (change in y) / (change in x) or m = (y2 - y1) / (x2 - x1).

Tags

CCSS.8.EE.B.5

Front

What does GCF stand for in mathematics?

Back

GCF stands for Greatest Common Factor, which is the largest factor that divides two or more numbers.

Front

How do you factor the expression x² - 49?

Back

x² - 49 can be factored as (x + 7)(x - 7) because it is a difference of squares.

Tags

CCSS.HSA.APR.C.4

Front

What is the relationship between the sides of congruent triangles?

Back

In congruent triangles, the lengths of corresponding sides are equal.

Tags

CCSS.8.G.A.2

Front

What is the significance of the equation p + t = 25 in the context of the landscaping problem?

Back

It represents the total number of plants (p) and trees (t) purchased, which adds up to 25.

Front

What is the cost equation for the landscaping problem?

Back

The cost equation is 12p + 95t = 964, representing the total cost of plants and trees.

Tags

CCSS.HSA.CED.A.3

Front

How do you determine the slope from a table of values?

Back

The slope can be determined by selecting two points from the table and using the formula m = (y2 - y1) / (x2 - x1).

Tags

CCSS.8.EE.B.5

Front

What is the first step in solving a system of equations?

Back

The first step is to express one variable in terms of the other, or to use substitution or elimination methods.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6