Where is the square root of 42 on a number line?

The number 42 is a number with three prime factors 2, 3, and 7. So, its prime factorization. The square root of a number is both positive and negative….Square of 42: 1764.

Is 42 rational or irrational explain?

42 is a rational number because it can be expressed as the quotient of two integers: 42 ÷ 1.

How do you tell if a square root is a real number?

Square Roots of a Real Number

1. All positive real numbers N have two square roots, written as – √N and + √N.
2. If N is a positive real number, then n has two real values, with the same absolute value but with opposite signs.
3. If N is a negative real number, then n has two imaginary values.

What is the factors of 42?

Factors of 42

• Factors of 42: 1, 2, 3, 6, 7, 14, 21, and 42.
• Factors of -42: -1, -2, -3, -6, -7, -14, -21 and -42.
• Prime Factorization of 42: 42 = 2 × 3 × 7.

Is 42 a square number Yes or no?

42 is not a perfect square.

How can root 5 be represented on a number line?

Step 1: On the number line, take 2 units from O and represent the point as A. Step 2: At point A, draw a perpendicular and mark B such that AB = 1 unit. Step 3: Now, with O as the center and OB as radius, draw an arc to cut the number line at C. Step 4: Point C represents √5 on the number line.

Is the square root of 25 a real number?

The square root of 25 is 5. It is the positive solution of the equation x2 = 25. The number 25 is a perfect square….Square Root of 25 in radical form: √25.

What are 49 roots?

FAQs on Square Root of 49 The square root of 49 is 7.

What are the multiples of 42?

Multiples of 42 are 42, 84, 126, 168, 210, 252, 294, 336, 378 and so on. Multiples of 36 are 36, 72, 108, 144, 180, 216, 252, 288, 324, 360 and so on. The least common multiple of 42 and 36 = 252.