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the correct answer on your answer sheet only the lem 1. Which of the following equations are quadratic? a. $3m+8=15$ $6-2x+3x^{2}$ =0 b. $25+3t=-7$ d. x+ y=C 2. Solve the quadratic equation by extracting square roots 7-40 a. 12 b. ±3 C14 d. 25 3. What is value of g in the equation of $3x-2x^{2}=n$ a. 3 b.7 C -7 d.2 4. Which of the following equations cannot bo solved by edracting squaro root? $x^{2}=9/16$ $0.$ $bx^{2}-7=0$ c.37 5. What are the roots of the $au0θ+$ equations x- $=18$ $d.x-81=0$ $-3x-10=0$ $a.10and1$ a. 2 and 5 $b-2and5$ $c-10and1$ 6. Which of the following quadratic equations may be solved more appropriately by $0eonn97$ $2x^{2}=7^{2}$ $b.w^{2}-64=0$ $cP+12+36=0$ $dx^{2}+2x=0$ $lcim0es9y$ a. 7. Find the solutions of the equation a. (3,6) $ionx^{2}+3x-18=0by$ $c\left(3,18\right)$ $d\left(0.3\right)$ completing square. 8. Find the solutions completing the square. $b.\left(1.3\right)$ $nsctn0$ $b.\left(1.3\right)$ equation x - $2x=3by$ $d.\left(0$ a. (3.-1) c. (-3, (0,3) 9. Find the solutions of the equation $2x^{2}+3x=27$ using the quadratic formula. a. 3 and - 9/2 b. 2 and 3 c 5 and 27 d. 2 and 9 10. What is the discriminant of the equation x+ 5x = 47 a. - 9/2 b3 c.5 d. 9 11. What is the nature of roots of the quadratic equation if the value of ts discriminant negative? roots are not real. c. tthhe e roots are roots irrational and not equal a. TThhe e are rational and not equal d. roots are rational and equal b. 12. Determine the nature of roots of the quadratic equation x + 6x +3 = 0. a. TThhe e roots are not arned al. not equal d. c tthhe e roots are roota irrational and nof aqual are rational roots are rational and equal
10th-13th grade
Algebra
Search count: 106
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Qanda teacher - Riya
any doubts feel free to ask dear
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search-thumbnail-3. From the equation 2x 9x 10, what number should be added to make it a perfect quadratic trinomial?
3. From the equation 2x + 9x 10, what number should be added to make it a perfect quadratic trinomial? A. 81 16 B." D. 4. In the equation 2x - 8x = 0, what value of x will make the cquation equal to zero? A.x = 2 & x =4 B. x= 0 & x= -4 Cx= 4&x= -2 D.x = 0& x = 4 5. How many solutions does the quadratic equation x $+5x+7=$ 0? A. 0 B. 1 C. 2 D. 3 6. What are the roots of the quadratic equation x +x- 56 = 0? A. 8 & 7 B. -8 & - 7 C. -8 & 7 D. B& -7 7. The length of a garden is Sm longer than its width and the area is 14m2. How long is the garden? A. 12 m B. 7 m C. 4 m D. 2 m 8. What is the equivalent equation of (x+ $n\left(x-7=-3x$ A. x + 3x - 49 = 0 B. $-3x$ - 49 = 0 +49 0 D. x* + 3x +49 = 0 - the -3x D. 8 & -7 9. What are the roots of the given quadratic equation (2x square. A. -8 &7 B. -8 & -7 $c+$ $a^{c}2^{4}$ 10. What is the value of x in the quadratic equation 3(3x - A. 20 B. 18 D. 9 11. The equation x - 4x - 4 0 can be solved by completing What constant term should be added to make the left side of the equation a perfect square trinomial? A. 4 B 2 C. D. 12. What are the values of x in the equation x - 2x = 3, using completing the square? D. x = 1& x= -1 Ax= 4 & x = 3 B. x= 3 &x= -1 C.x= 2 & x = 1 13. Which of the following is the discriminant? C-b + 4ac D. b - 4ac A. -b -4ac B. b + 4ac 14. What is the value of the discriminant of the equation x + 5x + 4 = 0? D. 12 A 6 B. 8 C. 9 15. What is the nature of the roots of the quadratic equation if the value of the discriminant is positive but not a perfect square? A. The roots are not real C. The roots are rational and not equal B. The roots are irational and not equal D. The roots are rational and equal 16. When b - 4ac is less than zero the roots are? A Not real C. Irrational and not equal B. Real and not equal D. Rational 17. What is the product of the roots of the quadratic cquation x +3x +2 = a0n7 d equal A. -2 B.-1 C. 2 D. 3 18. What is the sum of the roots of the quadratic equation x + 3x + 2 = 0 A -3 B. -2 C. -1 1 19. Find the quadratic equation with integral coefficients as roots: xDD, . . = -4, x, = 2 A. x - 2x +8 = 0 B. x + 2x -8 numbers $x^{2}-2x$ -8 = 0 equation = 0 having itn he the 20. Find the sum of the roots of the equation 2x $ng$ $+ax+10=0^{Cx2+2x+}$ $c-5$ $o$ $ingn$ $mb$ $sh$ $ng$ $cx^{2}+2x+8=0$ $+10=0$ $c-5$ $ain$ $6omax^{2}+bx$ A -7 B. -6 D. -4 21. Write the given equation = 7 to a quadratic $bx+c$ = 0. A. 3x + 14x - 4= 0 B. 3r - $14x-4=0$ 22. Transform the given equation (x+ 6)² %3D equation $D3x^{2}+14x+4=0$ $\bar{n} ^{14}s^{x+4}=0$ $i$ $o$ $m$ $a$ $x^{2}+bx+c=0$ $0x^{2}+12x-21=0$ $12x+21=0$ A.x - $12x+21$ 0 B. x - 12x $510a9asd$ $i$ $\dfrac {1} {1}21=0$ $0\right)=-21$ 23, Find the solution set of the equation x(x $4x=-78x$ = 3 B. x = 7&x = 3 $Cx=78x=-3$ $D.x=-78x=-3$ A The leneth of a car park is 120 m longer than its width. The area of the car park $s6400m^{2}$ What equation represents the Shot on Y91 vivo dual camera $C$ $x\left(x+120\right)=6400$ $D.x\left(x+120\right)=-640$
7th-9th grade
Other
Search count: 113
search-thumbnail-LEach item requires you answer or solve a problem. Write the letter of your answer on your
Department of Education PASIG Division Region of Pampanga NATIONAL HIGH SCHOOL Candaba SUMMATIVE TEST IN MATHEMATICS 9 Name: (1" Quarter) Teacher Section: Score: Date: LEach item requires you answer or solve a problem. Write the letter of your answer on your answer sheet. (30 irems) 1. It is the value of the expression b-4ac in the quadratic formula a. discriminant b. roots C. solutions d. quadratic inequalities 2.A mathematical sentence in which the value of the left side of the mathematical sentence is equal on the right side of the mathematical sentence. a. roots b. equation 3. It is a polynomial equation of degree two c. inequality d. quadratic equations that can be written in the form ax + bx +c0, where a, b and care real numbers and a 0. a. Linear Equation b. Linear Inequality c. Quadratic Equation d. Quadratic inequality 4. Which of the following is a quadratic equation? a. 2x + 4x - 1 b. 3y -2 -8 c. 2x-92 3 d. x+ 5x-40 5. In the quadratic equation 2x+ 8x - 6 = 0, a. 2x b. x $n$ $nbtbe9$ $3drotc$ $8x$ $aatlonx2+5x+7=0$ $2$ term? h-a3 v6 e? 6. How many real roots does the quadratic equation a. 0 b. 1 7. What is the nature of the roots of the quadratic equation if the value of its discriminant a. The roots are not real. b. The roots are irrational and not equal. cT. Thhe e d. rrooootts s are rational and neoqit s ezualqe. roua? l. are rational and 8. The roots of a quadratic equation are -5 and 3. Which of the following quadratic equations roots? 15 = 0 $b.x^{2}+8x+15=0$ $cx^{2}-2x-15=0$ $dx^{2}+2x-15=0$ 9. $h3s$ $csero$ $x^{2}$ $8x+1$ $mt\bar{n} otme$ $a2x^{2}$ $+4x=3$ following quadratic equations b. x-8x-4=0 c. h3axs -n2x o r-ea5 l roots? 10. Which of the following mathematical statements is a quadratic 11. One of the roots of b2. x 7x-+1123<x 0 $c3x^{2}+7x-2\geq 0$ inequality? $a.2x^{2}$ $-3x-5=0$ roddodt. ? . . - x5+/22 x8+x+x1+57==0 0 $13x+20=0ls4.mmatstncothc$ a. - % b. -5/2 C. % 12. What are the roots of the quadratic equation $x^{2}+x-56=07$ $8and7$ a. 2 and -1 b. 8 and -7 13. W- h7 at is the sum a. obf t. he -6 roots of the quadratic equation $d.33nd-2$ $x2+6x-14=07$ $d.14$ C.-3 14. Which of the following quadratic equations 4cxa-in t9s -bwe 0 idth area $a.x^{2}+7x+12=0$ $b.2x^{2}+7x-3=0$ C. solve aned astilhe y dby . 3exx+tirs 2a1cx-4 t8im=ng 0 ?. sqHuoaw re lronog otiss ? 15. The length of a garden is 5 meter longer than the garden? a. 9 m b. 7 m 16. What is the standard form of a quadratic ce. q5 uam tion? d. 2 m a. ax = 0 $cax+bx+c=0$ $d.ax^{2}+bx+c=0$ 17. What is the $b.ax+α=0$ $aloeotclntheeq$ equation x-2x 0? a. 0 b. 1 C.2 d. 3 18. Which of the following coordinates of points belong to the $solatonsetotthe$ inequality $r<2x2=5x-17$ $a\left(3.2\right)$ b. (-2,9) c. (1,6) width. If the area $4\left(3.1\right)$ $otte$ $a16$ less than 50 m 19. The length of the wall is 12 m more than its which of the following could be its length? a. 3 m b. 4 m c1. 5 m d. 16 m
7th-9th grade
Other
Search count: 180