All Tasks

Operations & Algebraic Expression_2

Do the operations in the algebraic expression: $A=(x+3)(y+4)-x(y+4)-3y+7$
 
# Linear equations

Learning
8

Operations & Algebraic Expression_1

If we make operations in: $ (x+y)(x+3)-x(x+3y-2) $ the result will be...
 
# Linear equations

Training
8

Translation of the verbal expression into algebraic expression_2

The algebraic expression of the following verbal expression: a number $x$ is multiplied by $2$ and then we increased by $7$ in the end the result we multiply by $3$
 
# Terms with variables

Reasoning
8

Simplify the algebraic expression_2

If we simplify the expression: $ 3,5x-2y+6,5x-3,5y+2,3-7x-6$ the result is....
 
# Linear equations

Learning
8

Distributive Property in Algebraic Expressions_1

Fill in the blanks with numbers to make the following equalities true
 
# Linear equations

Training
8

Tangent and normal lines

Consider the function $f$, with domain $D_f = \left[0, 1\right]$, defined by $f(x)= \dfrac{\pi}{2} -2 \arcsin(1-2x)$. Let $r$ be the line tangent to the graph of the function $f$ at the point with abscissa $a$. It is known that line $r$ is perpendicular to line $x+4y=12$.
 
# Functions of one variable

Training
13