Basic Algebra/Introduction to Basic Algebra Ideas/Chapter Test

<quiz display=simple points="1/1"> {== Section A (5 marks) == Evaluate the following expressions.}

{ |type="{}"} $24÷6-7=${ -3_2 }

{ |type="{}"} $(5+3)\times 6=${ 48_2 }

{ |type="{}"} $\frac{16+14}{5}-3=${ 3_2 }

{ |type="{}"} $\frac{36}{4-(-2)}+5=${ 11_2 }

{ |type="{}"} ${\left(\frac{2\times 27}{9}\right)}^2=${ 36_2 }

{== Section B (5 marks) == Evaluate the following expressions.}

{ |type="{}"} $9+3^2=${ 18_2 }

{ |type="{}"} $3+\frac{20}{2^2}=${ 8_2 }

{ |type="{}"} $\frac{2(3+4)}{94^0}=${ 14_2 }

{ |type="{}"} $20-2\left(\frac{96}{4^2}\right)=${ 8_2 }

{ |type="{}"} $-4+5\left(\frac{56+7}{3^2}\right)-1=${ 30_2 }

{== Section C (5 marks) == Evaluate the following expressions when $w=4$, $x=5$, $y=6$ and $z=7$.}

{ |type="{}"} $3x+2y+z=${ 34_2 }

{ |type="{}"} $\frac{w^2}{y+2}+2z=${ 16_2 }

{ |type="{}"} $2\left(\frac{x^2+3}{w}\right)-(2y-z)=${ 9_2 }

{ |type="{}"} $(6-3)\left(\frac{2w-x}{z-4}\right)+(3y-4)=${ 17_2 }

{ |type="{}"} $3^2(2w^0)\left(\frac{wx}{y-2}\right)-z=${ 83_2 }

{== Section D (6 marks)== Evaluate the value of $x$ in the following equations with the given value of $y$.}

{$4x+3y=18$ (given $y=2$) |type="{}"} $x=${ 3_2 }

{$\frac{2x}{y+1}+4=20$ (given $y=3$) |type="{}"} $x=${ 32_2 }

{$2\left(\frac{2x-2}{y-3}\right)+8=6^2$ (given $y=7$) |type="{}"} $x=${ 29_2 }

{$3^3+2^0+3x-2y\left(\frac{18}{2}\right)=97$ (given $y=3$) |type="{}"} $x=${ 41_2 }

{$[5(2x-3){]}^2=y+6$ (given $y=19$) |type="{}" coef="2"} $x\in \{${ 1_2 },{ 2_2 }$\}$ </quiz> Template:BookCat Template:Simple Page Navigation