

Algebra
Presentation
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Nelson Bonilla
Used 4+ times
FREE Resource
3 Slides • 13 Questions
1
Algebra

2
3
Multiple Choice
si a = -4, b = -2, y c = -3, entoces −a2−b3÷b⋅c2=
A) -180
B) -52
C) -20
D) −94
E) 20
4
Multiple Choice
-t - 4m + 2u - 6 -2t + 3m - 3u + 7
A) -3t - m - u + 1
B) -3t - m + u - 1
C) -3t + m - u + 1
D) -3t + m + u + 1
E) -3t - m - u - 1
5
Multiple Choice
1−52x2y2−x2y+53x2y2+61x2y−2
A) 51x2y+65x2y2−1
B) 51x2y2−65x2y−1
C) 51x4y4−65x2y−1
D) −51x2y2+65x2y2−1
E) 51x2y2+65x2y−1
6
Multiple Choice
si r = x - p, x = p - 1 y p = -2, entonces el valor de (p+r−px)r
es
A) -5
B) -1
C) 51
D) −51
E) 1
7
Multiple Choice
11x + [(7,2x - 1.3) - (6,1x - 2,6)] - 0,3 =
A) 12,1x - 1
B) 12,2x - 1,6
C) 12,1x - 4,2
D) 12,1x + 1
E) 12,1x + 3.9
8
Multiple Choice
F = 2 - a y E = a - 2, entonces la diferencia entre el antecesor y el sucesor de E es
A) 6
B) 4
C) -2a
D) 2a + 2
E) -2a + 2
9
10
Multiple Choice
Si p = 5x2+2x−5 y q = 3x2−4x−3 entonces 21(q−p) =
A) x2−3x−1
B) −x2−x−4
C) −x2−3x+1
D) −x2+3x−1
E) −x2−x+4
11
Multiple Choice
Al restar la expresión x - y de y - x, se obtiene
A) 2x - 2y
B) 2y - 2x
C) -2y
D) - 2x
E) x - y
12
Multiple Choice
Salvador compra (6x - y) caramelos. Le regala a su tía Lorena y - x, luego se come 3x - y ¿Cuántos caramelos le quedan a Salvador?
A) 8x - 3y
B) 4x - y
C) 9x - 3y
D) 2x - 3y
E) 2x - y
13
Multiple Choice
(−917t2r)⋅(3436t4r2)=
A) −2t−2r3
B) −2t2r−3
C) −2t2r3
D) 2t2r3
E) 2t2r2
14
Multiple Choice
−3pq(pq2−2p3q) =
A) −3p2q3+6p4q2
B) −3pq3+6p4q2
C) 3pq3−6p4q2
D) 3pq3+6p4q2
E) −3p2q3+6p3q2
15
Multiple Choice
El producto entre la diferencia del cuadrado de t y la unidad, con la suma del cubo de t y t, es
A) t5−t
B) t4
C) 4t5
D) t5−2t3−t
E) t5+2t3−t
16
Multiple Choice
(a + 1)(a2−a+1)
A) a3−2a2−2a +1
B) a3−2a2−2a−1
C) a3+1
D) a3−1
E) a3−a2−a+1
Algebra

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