All Tasks

Find the area

A farmer has divided his field into 10 isembadic squares and in each one sows a different kind of vegetable. A. Can you find the function that expresses the area of the field? B. Ιf each square has a side of 40m find the area of the field.
 
# Quadratic functions

Modeling
10

Find coefficient

Find $a$ if the graph of quadratic function$f(x) = (2a+3)x^2$ is passing through the point $A(3,45)$
 
# Quadratic functions

Reasoning
9

A bag full of coins

Peter finds a bag with 50 coins inside. The bag only contains coins of 2 cents and 5 cents (of Euro €). If the total value of the coins is 1.81€, how many more 5 cents coins are there than 2 cents coins?
 
# Linear equations

Modeling
8

Linear equation with denominator.

Find the value of x solving this equation with denominators.
 
# Linear equations

Training
7

Linear equation with brackets.

Find the value of x solving this equation with a bracket.
 
# Linear equations

Training
7

Solving linear equations.

Solve the following linear equations with brackets or denominator.
 
# Linear equations

Training
7