Algebraic Expressions
Substitute and solve;
If n = 5
2n - 15
-5
2r + 1 + (-4r) + 7
2r -4r + 1 + 7
-2r + 8
What operation does the term "increased by" mean?
Addition
The sum of x and 2
x + 2
0.29 * 1.45
0.4205
If x = 3 and b = 2
x + x - 5b
3 + 3 - 5(2)
9 - 10
-1
3x + 2y + 4x + 7 - y
3x + 4x + 2y - y + 7
7x + y + 7
What is the number in front of a variable called?
Coefficient
t divided by 8
t/8
What is the reciprocal of 14 or how do you write 14 as a fraction?
1/14
Simplify: -3 + 2(5-7)2
5
4a + 5a
9a
what operation is the key word "quotient"?
Divided
Subtract 5 from c
c - 5
-3.50 + -67 + 76
73.17
What expression goes with "three more than the product of x and 7"?
7x + 3
a + 3a - 4b - a
3a - 4b
Give an example of a constant.
Any number that stands alone 4,-6, 2,8,9
three-sevenths of h
3/7h
3/8 * 1/2
0.1875
Evaluate:
If x = 4 and c = 5
6x - 4x + 9c + 2c
2x + 11c
5x - 4 - 7x + 14
-2x + 10
List the number of terms in the expression below and identify at least two coefficient.
6p + 4p - 3c2 - 9 + 2p2
# of terms: 5
Coefficients: 6, 4, 3, 2
fifteen decreased by the quotient of a number and 3 is 20
n/3 - 15 = 20
simply the fraction in it's lowest term 12/30.
2/5