☰ Contents · Computing

Solving equations in Excel

Lessons 17 · 1 lessons · N. I. Taylaqov (general editor), A. B. Akhmedov, M. D. Pardayeva, A. A. Abdug‘aniyev, U. M. Mirsanov. Informatics and Information Technologies, Grade 10, 1st edition. “Extremum-Press”, Tashkent, 2017
Answers are for parents and teachers.
1
What is D for x² – 4x + 3 = 0 and what are the roots?
2
Find the meeting point of the lines y = x + 2 and y = –x + 6.
3
How many days pass from 1 January to 1 March 2026?
4
If A1 = a, B1 = b, C1 = c and D1 is the discriminant, write the formula of the first root (D ≥ 0).
5
What must be changed in the table to find the root more precisely? Write one sentence.