Question

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Answer 1

Answer:

$\displaystyle Point \ A(-2, 5)\\Point \ B(5, 5)\\d = 7 \ units$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

1. Brackets
2. Parenthesis
3. Exponents
4. Multiplication
5. Division
6. Addition
7. Subtraction

• Left to Right

Algebra I

• Reading a Cartesian coordinate plane
• Coordinates

Algebra II

• Distance Formula: $\displaystyle d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Step-by-step explanation:

Step 1: Define

Find points from graph.

Point A(-2, 5)

Point B(5, 5)

Step 2: Find distance d

Simply plug in the 2 coordinates into the distance formula to find distance d

1. Substitute in points [DF]:                    $\displaystyle d = \sqrt{(5--2)^2+(5-5)^2}$
2. (Parenthesis) Simplify:                        $\displaystyle d = \sqrt{(5+2)^2+(5-5)^2}$
3. (Parenthesis) Add/Subtract:               $\displaystyle d = \sqrt{(7)^2+(0)^2}$
4. [√Radical] Exponent:                          $\displaystyle d = \sqrt{(7)^2}$
5. [√Radical] Evaluate:                            $\displaystyle d = 7$