FORMULA GENERAL

FORMULA GENERAL

9th Grade

5 Qs

quiz-placeholder

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FORMULA GENERAL

FORMULA GENERAL

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

ARIADNA ZARATE

Used 7+ times

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

En la ecuacion 4x2 + 5x + 12


como quedaría las letras a, b y c para poder acomodar las cantidades en la formula general.

a= 12 b=4 c=5

a=4 b=12 c=5

a=5 b=12 c=4

a=4 b=5 c=12

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

En la ecuación

3x2 + 6x - 6

determina con el valor discriminante si tendrá 1, 2 o ninguna solución.

ninguna solucion

1 solucion

2 soluciones

no se

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

La ecuacion

7x2 + 3x + 5, cuantas soluciones tiene ?

1 solucion

ninguna solucion

2 soluciones

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

En la ecuacion

2x2 - 4x 1

al resolverlo se cometio un error en cual paso sucedio.

(4) ±42 4 (2)(1) ÷ 2 (2)-\ \left(-4\right)\ \pm\sqrt{4^2\ -\ 4\ \left(2\right)\left(1\right)}\text{ }\ \div\ 2\ \left(2\right) paso 1

4 ±16 8 ÷4 4\ \pm\sqrt{16\ -\ 8\ }\ \div4\ \ paso 2

4 ±8÷44\ \pm\sqrt{8}\div4 paso 3

4± 2.28 ÷44\pm\ 2.28\ \div4 paso 4

x=1. 70 x = .29 paso 5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

cual es el resultado de la ecuacion

5x2 - 3x - 14

x= 1.73 x = .125

x= 2.60 x = .80

x = 29.8 x = 28

sin solucion.

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