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$tcts$ Do the $Prob1em$ $0$ $1$ $e2k0$ situation where the concept of a rational algebraic equation $0n$ $10\pi $ $ne10$ a quadratic equation is being applied. $s0$ the situation to answer $90os60ns$ 1. How is the concept of a rational algebraic equation $\pi ns40$ $=$ in quadratic equation applied in the situation? $2$ What quantities are invoived in the situation? Which of these quantitis e $00\pi 3$ How about the quantities that are $10$ $n0$ $\pi $ $2$ Formulate then solve the problem out of the given. $4$ What do the solution obtained represent? Explain your answer. $Ra6nc$ $Pca1-11$ situation involving rational algebraic equations $ans10$ into quadratic equations.
7th-9th grade
Algebra
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Qanda teacher - Lokesh
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search-thumbnail-arlil gaige The lemvealnofyraogukr,utnrycersranding the followbng set of quesrtiothns. JTunlas
Pretest Befone dotng our arlil gaige The lemvealn ofyraogukr, utnry cersranding the followbng set of quesrtioth ns. JTunl as en this modula. Work $Pr0-Assossm$ $n0$ Test Instruction Find out how much problems and write your answer you already know about this module Evaluate the following in your answer sheets 1. Which of the following is an example of quadratic equation written in standard form? 1/ A2r + 5x- 1 0 Bx--x + 2 C z- 5x -6 Dx (x- 3) = -2 2 Is the given equation 2m = 200 considered quadratic? J-A Always 1-B. Sometimes 1-C Never D insufficient data 3. When transformed, which of the following is not considered a quadratic equation? A (r-2(r+1) = o B. x = 4x -4 C. x = 25 D 5(x - 3) = 5 -11 4. What is the equivalent quadratic equation of the given, $\left(2x+1\right)\left(x-2\right)=03$ 1-A $x^{2}+4x+2=0$ B. $x^{2}-4x-2=0$ -c 2x - 3x -2 =0 D $2x^{2}+3x+2=0$ 5. Some rational algebraic equations can be transformed into quadratic equations Which of the following is the correct transformation of x-1 2. - into a quadratic equation? $Ax^{2}+x+1=0$ B x? -2x -1 = 0 $x^{2}+4x-1=0$ $0x^{2}+2x-3=0$ 6. Translate the given; $\left(x-2\right)\left(x+3\right)=1int0$ a standard quadratic equation. $Ax^{2}+5x+7=0$ $Bx^{2}-6x-6=0$ C x? + x - 7 = 0 $Dx^{2}+5x-6=0$ 7. Identify which of the following leads to an equivalent quadratic equation x² +x- 56 = 0. +7) $A\left(x+1\right)\left(x-56\right)$ B $\left(x+4\right)\left(x-14\right)$ C. e+B)(x-7) D(x-8)(x 8. Which of the following are the solutions equation $\left(x-5\right)\left(x+2\right)=87$ $0$ $3,10$ A 6, -3-111 B. -6, -3 9. What are the solutions of the equation $90r10otsoin0$ $c6$ $13$ $2x^{2}.50=07$ $c$ $0$ or roots of A 25,-25 B. 5, 5-11/ FD. none of these $nx+\dfrac {0} {x2}=1+\dfrac {4x} {x.3}$ Which of the roots is extraneous? 10. In the rational algebraic equation A 2 B. 4- C.5-11 D. 8 the equations $\dfrac {x} {2x_{c}-1}=\dfrac {1} {x+4}7$ 11. Which of the following is a root of 1-111 A 4 B. 2 D
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