Add/Subtract & Mult/Div Rational Numbers
-12-4
3 a – ( a + 4)
2a – 4
six more than the square of a number
n2 + 6
−6 − 2 + 5 − (−2)
-1
Evaluate:
3-5 · 38
27
– 5 + 9 + (– 6) – (– 3)
1
6( x – y ) + 5( x + y )
11x-y
seven more than four times a number
4x + 7
−2/3+1/5−2/5(4/3)
-1
80
1
− 10/21(−9/25)
6/35
List the constants in the expression 2x − 10 + 5y.
2, -10, 5
three less than twice a number
2x - 3
3 + 2(4 − 6 ÷ 2 × 3)
-7
The square root of 16/81
4/9
− 3/8+5/12
1/24
Evaluate the expression 2x2 + 3x − 10 for the member of the domain {−2, 3}.
{−8, 17}
the square of the difference of 2 numbers x and y
−42+(2−24÷4×3)
-32
the cube root of -27
-3
12/35 ÷ (−8/25)
-15/14
3.5x(2x + 3) − 3x(x + 1.5)
4x2 + 6x
Translate the word phrase into an algebraic expression.
the amount a trucker earns in a week if he makes x deliveries at $100 per delivery and drives y miles at $0.25 per mile
100x + 0.25y
2{6 – (4 + 8) × 2 – [7(3 + 2)]}
-106
−8(5/2⋅2/5)=−8(1)
Multiplicative Inverse Property