Mathematics 5

Question 1

In any isosceles right triangle ABC, a = b = 45 degrees and a = b, let a = b = 1, then c = _____

Answer 1

square root of 1 + 1 = square root of 2

Question 2

What does it mean to solve problems graphically?

Answer 2

to obtain a table of values directly from the problem relationships rather than from equations

Question 3

slope of line =

Answer 3

y2 - y1
______

x2 - x1 or. change in y over change in x = m = tan i

Question 4

Delta, __________, corresponds to d, the fourth letter of the English alphabet.

Answer 4

the fourth letter of the greek alphabet

Question 5

the slope of a line is __ if its equation is in form y = mx + b

Answer 5

m

Question 6

The inclination of a line is the _____.

Answer 6

angle it makes with the positive direction of the x axis.

Question 7

slope of a line = ____ of its inclination

Answer 7

tangent

Question 8

congruent triangles have ____ the same size and shape

Answer 8

exactly