Substitution
Substitute k=−3 into
4k+2
-10
Evaluate:
4(2) + 2
10
Simplify:
3(x + 2)
3x + 6
A movie ticket costs $12. If you buy 3 tickets, how much will you spend?
$36
What is the value of x if:
3x + 5 = 20
5
Substitute a=6 and b=−2 into:
3a-5b
28
Evaluate:
2(3)²(-4).
-72
Simplify:
4x-2x+3-1+x²-6
x² + 2x - 4
A taxi charges a $5 starting fee plus $2 for every kilometre. How much does a 6 km trip cost?
$17
Like terms must have the same variable and the same ________.
Exponent
Substitute a=−1 and b=5 into
2a^2b
10
What operation should be completed first in:
2a²b
Exponent
Simplify:
2(x + 3) + 11x
13x + 6
If you work 6 hours, how much do you earn using:
P = 17.60h + 25?
$130.60
A rectangle has a length of 8 cm and a width of 5 cm. What is its area?
40 cm²
If a=2 and b=5, what is the value of:
3a-6b
-24
Evaluate:
-2(5 - 7) - 4(3(5) - 5)
-36
Simplify:
-2(e-7)- 4(3e-5)
-14e + 34
A video game costs $60. It is on sale for 25% off. What is the sale price?
$45
True or False: 3x and 3x² are like terms.
False
Evaluate:
3a - 5b
when a = -1 and b = 11
-58
Evaluate:
2(-2)²(3)
24
Simplify:
-2(x²-3)+2(-3-y²)
-2x² - 2y²
Four people attend the concert.
Using C = 18n + 12, find the total cost.
$84
Simplify:
4x²-2x+3x²+4x³
4x³ + 7x² - 2x