4 years ago

Prove the equation 2x^2 + y^2 = 14 has no positive integer solutions.

1 answer:

5 0

Solving for y, y=±14−2x2−−−−−−−√ for y to be a positive integer, (14-2x^2) must be a perfect square. Any positive integer values chosen for x will not yield a perfect square

You might be interested in

Plzz help! Thank you so much in advance I really need help!

Anastaziya [24]

Answer:

that is the solution to the question

7 0

3 years ago

Read 2 more answers

Please help

Ira Lisetskai [31]

Answer:

285°

Step-by-step explanation:

105+180=285

7 0

3 years ago

What is the slope of the line that passes through (3, 14) and (7, 9)?

konstantin123 [22]

Answer:

$m=\frac{-5}{4}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Point (3, 14)

Point (7, 9)

Step 2: Find slope m

Substitute [Slope Formula]: $m=\frac{9-14}{7-3}$
Subtract: $m=\frac{-5}{4}$

7 0

3 years ago

Read 2 more answers

Which decimal number is represented by the shaded portion of the model?

Paul [167]

Answer should be 0.9 or .9

3 0

3 years ago

Somebody help me with this lol, 9x = 81 ?

Scrat [10]

Answer:

x = 9

Step-by-step explanation:

81/9=9

6 0

3 years ago

Read 2 more answers