Square Root — Definition & Examples
Read this topicExplanations 3
- (Video) Rational Square Roots by Derek Owens Here's a video by Derek Owens explaining what square roots are and how to solve them. Summary\large{\text{Summary}}Summary The squar…
By Alex Federspiel, Joshua Siktar, Amy Feraco, Sarah Walker, Caroline K
- (Videos) Radicals by mathman1024 Here's a video by mathman1024 explaining square roots and radicals. Summary\large{\text{Summary}}Summary The number aaa is called a square root …
By Alex Federspiel, Joshua Siktar, Amy Feraco, Sarah Walker, Caroline K
- Introduction to Square Roots A square root can be thought of as the reverse of squaring a number. If we square a number x,x,x, we get x2,x^2,x2, and then taking the square root …
By Joshua Siktar, Sarah Walker, Caroline K
Problems 20
- If x2=0,x^2=0,x2=0, what is x?x?x?
- Find 36.\sqrt{36}.36.
- Evaluate 121\sqrt{121}121.
- Evaluate 49.\sqrt{49}.49.
- Find 289\sqrt{289}289.
- Find 16\sqrt{16}16.
- Simplify 236−49+252\sqrt{36} - \sqrt{49} + \sqrt{25}236−49+25.
- If a positive number xxx has the property x%x\%x% of xxx is 9,9,9, find xxx.
- What is the positive square root of 64?64?64?
- What is the positive square root of 81?81?81?
- What is the negative square root of 100?100?100?
- What is the negative square root of 25?25?25?
- Select all square roots of the number 161616.
- Find the positive value of nnn if n=6416n=\frac{\sqrt{64}}{\sqrt{16}}n=1664
- Find the positive value of nnn if n=369n=\frac{\sqrt{36}}{\sqrt{9}}n=936
- Simplify the following expression using only positive roots. 16+36−9\sqrt{16}+\sqrt{36}-\sqrt{9}16+36−9
- Simplify the following expression: 100+225\sqrt{100}+2\sqrt{25}100+225
- If the area of a square yard is 16 ft2,16 \text{ ft}^2,16 ft2, what is the length of one side of the yard? \\Note that the area of a n×nn\times nn×n square equals the square of …
- If the surface area of a small square tile is 4 cm24 \text{ cm}^24 cm2, what is the tile's width? \\Note that the area of a n×nn\times nn×n square equals the square of one side'…
- Which of the following doesn't have a real square root (as opposed to an imaginary square root)?