1. What does 4a mean if a is 5?
A.30 B.35 C.40 D.45
2.2a + 3a + 7a + a=
A.12a B.-6y C. 14x.- 6y D.14c- 6y
3.From 7x - 3y, subtract 7x +3y
A. 6y B.-6y C.14x -6y D. 14c + 6y
4.What is the value of 4abc when a=2,b = 3, and c= -2?
A. -48 B. 48 C.-12 D. 12
5.Evaluate an algebraic expression 2xy -xyz, when x = 1, y = 2,z= -1
A.2 B.-2 C. 6 D.-6
6.Add 4x, 3x and 9x
A. 16x B.-16x C.15x D. 14x
7.Evaluate a + b + c + d where a = 2, b = -1, c = 3 and d= -5
A. -1 B.1 C.2 D.-2
8.What is the result when you evaluate 5a + 3b - 2 when a = -1 and b=1
A.-5 B.-4 C.5 D.4
9.Subtract 2a from 3a
A. -a B.a C. 2a D. 3a
10.Find the sum of(5a - 3b + c ) and (-2a + 8b + 2c)
A. 3a + 5b -3c B.3a + 5b + 3c C.3a + 3c D.-3a + 5b -3c
Pls I really2 need this urgently
(I will pass it tommorow in afternoon)
I hope you will help me
Thanks in advance
Stay safe
Godbless
And Happy Valentines Day(Advance)
Pls help me