All Tasks
Find the value_1
Evaluate the following algebraic expression if $x=-2$ and $y=-3$
$A=\frac{x+3}3-2\frac{y+2}5$
# Equations & Inequations
Training
8
Simplification of algebraic expression_1
If we simplify the following algebraic expression $A= 2x+3y+7-3x+5x-3+7y$ into the form $ax+by+c$, where the $a,b$ and $c$ are rational numbers, the A is
# Linear equations
Training
8
Chain rule arcsin
Determine the equation of the normal line to the graph of $y(x)=6\arcsin(f(x))$ at $x=0$, knowing that $f(0)=0.5$ and $f'(0)=1$
# Functions of one variable
Reasoning
13
Differential - approximate arcsin
Use differential to approximate the change in
$y=\arcsin(1-x)$ when $x$ changes from $1$ to $0.95$.
# Functions of one variable
Reasoning
13
Translation of the verbal expression into algebraic expression_1
The following verbal expression:
In a number we add five and then we add the triple of him.
The translation of this verbal expression into an algebraic expression is:
# Terms with variables
Reasoning
8
Overtime
Kev and Doug are drivers of a parcel service.
Last month Kev get 875€ extra for 35 hours overtime working during a month. Calculate how many money Doug get in that month for 24 h overtime working, when he get the same money per hour.
# Direct proportionality & rule of three
Modeling
8