ACT Prep #2 (Elementary Algebra)

If X = 5 and Y = 2, by how much does the value of

5X² + 2Y exceed the value of 2X² + 5Y

• 69

• 189

• 129

• 60

• 25

If A = 3 and B = 1, by how much does the value of

3A² - 2B exceed the value of 2A² - 3B

• 10

• 15

• 25

• 35

• 40

Last year, Monica and her two children visited an amusement park 5 times. The park charges admissions price of A-dollars per adult and C-dollars per child per visit. Which expression gives the total admissions feed paid, in dollars, by Monica's family last year?

• 5(A + 2C)

• 5A + 2C

• A + 2C + 5

• 5A - 2C

• 5 + (A + 2C)

If xy = 36 and x+y=15, where x > y, what is x-y?

• 9

• 12

• 3

• 8

• 32

If P = 4 and Q = 3, by how much does the value of

4P² + 3Q exceed the value of 3P² + 4Q

• 13

• 41

• 23

• 61

• 36

This year, John and his three children visited a zoo 4 times. The zoo charges admissions price of Z-dollars per adult and K-dollars per child per visit. Which expression gives the total admissions fee paid, in dollars, by John's family this year?

• 4(Z + 3K)

• 4Z + 3K

• Z + 3K + 4

• 4Z - 3K

• 4 + (Z + 3K)

• 3x + 1

• 3x - 1

• x - 3

• x - 10

• 10x + 3

• 2x + 1

• 2x - 1

• x + 2

• 2x - 3

• x - 1