## All Tasks

#### Perpendicular lines

Let the line $(e): y=-\frac x4-3$
Find the slope of $h$ line, If $h$ is perpendicular to $e$.

# Functions & characteristics

Training

11

#### Find the slope

Can you find the slope of a line which is perpedicular to the line of image?

# Functions & characteristics

Training

11

#### Angle of inclination

If in one linear function the angle of inclination is equal to $\phi = \frac{\pi}{4}$.
The slope of this function is

# Linear functions

Training

8

#### Find the coefficients of terms in algebraic expression_1

Find the number $a$ if the following algebraic expression is independent of $x$.
$A= a(x+y+2)-2(x+2y)+6$

# Linear equations

Reasoning

8

#### Find the Algebraic expression

Which of the following algebraic expressions will give us the expression:
$3x+2y-3$

# Linear equations

Learning

8

#### Find the coefficients of terms in algebraic expression_3

Find the number $a$ and $b$ if the following algebraic expression is independent of $x$ and $y$.
$A=x(a+3b)+y(2a-6)+2a+5$
Answer 1 is for $a$ and Answer 2 is for $b$

# Equations & Inequations

Reasoning

8