Квадратные корни и их свойства

Какой квадратный корень у числа 1?

• 2

• 0

• 1

• -1

Сравните √4 и √9. Какое значение больше?

• 0

• √9

• √4

• √16

Нарисуйте график функции y = √x.

• The graph of the function y = √x is a curve starting at the origin (0,0) and increasing to the right.

• The graph of the function y = √x is a straight line through the origin.

• The graph of the function y = √x is a downward-opening parabola.

• The graph of the function y = √x is a horizontal line at y = 1.

Какой квадратный корень у числа 16?

• 6

• 5

• 4

• 3

Сравните √25 и √36. Какое значение меньше?

• √25

• √15

• √20

• √30

Нарисуйте график функции y = √(x+1).

• The graph of the function y = √(x+1) starts at the point (-1, 0) and increases to the right.

• The graph starts at the point (0, 1) and decreases to the left.

• The function is undefined for all values of x.

• The graph of the function y = √(x+1) is a straight line.

Какой квадратный корень у числа 0?

• -1

• 0

• 0.5

• 1

Сравните √49 и √64. Какое значение больше?

• √49 больше, чем √64.

• √49 равно √64.

• √64 и √49 равны.

• √64 больше, чем √49.

Нарисуйте график функции y = √(2x).

• The graph of the function y = √(2x) is a straight line passing through (0,0).

• The graph of the function y = √(2x) is a curve that decreases to the left.

• The graph of the function y = √(2x) is a circle centered at the origin.

• The graph of the function y = √(2x) is a curve starting at the origin (0,0) and increasing to the right.

Какой квадратный корень у числа 81?

• 9

• 8

• 10

• 7