A root is a part of the plant that grows underground and absorbs water and nutrients from soil. It anchors the plant firmly and stores food. Roots can be thin or thick fibrous or taproots spreading deep in soil and ...
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Class 6 Maths Chapter 4, “Data Handling and Presentation”, deals with arranging, interpreting and presenting data in an efficient manner. Students are taught types of data, tally marks, pictographs, bar graphs and frequency tables. The chapter promotes analytical ability through ...
Equal roots occur in a quadratic equation when the discriminant equals zero. This means both roots have the same value indicating the parabola touches the x-axis at exactly one point. For example x² + 4x + 4 = 0 has ...
The quadratic formula finds solutions (x-values) where ax² + bx + c = 0. For any quadratic equation the roots are x = [-b ± √(b² – 4ac)] / (2a) where b² – 4ac is called the discriminant and determines ...
A number line is a straight line with numbers placed at equal intervals. It helps visualize the relative position of numbers such as positive and negative integers. The middle point represents zero with positive numbers extending to the right and ...