Math Bowl Algebra

If y varies inversely as the square of x, then when x is multiplied by 4, y will be

• divided by 16

• divided by 2

• multiplied by 16

• multiplied by 2

If y varies inversely as the square of x, and y = 4 when x = 2, then what is the value of y when x = 3?

• 16/9

• 8/3

• 3

• 9

Zhan Lei Spent $20.00 during his last outing at the bowling alley. This included a one time show rental fee of $3.50. He spent the rest of the money on bowling a number of games. If it took Zhang Lei 45 minutes to bowl each game and he spent 2 hours and 15 minutes bowling, how much did it cost per game?

• $3.00

• $5.50

• $6.67

• $7.34

5.5B + 4R = 28 The above equation is true if Amit buys B pounds of blueberries and R pounds of raspberries at a farm where blueberries cost $5.50 per pound and raspberries cost $4.00 per pound. According to the equation, how much does Amit spend in total on both types of berries?

• $9.50

• $22.00

• $28.00

• $56.00

Simplify:
(2x²+4x+7)-(x²+3x+4)

• x²+x+3

• x+x+3

• 2x+x+3

• x²-x+3

Simplify:
2⁴x 2⁶

• 2¹⁰

• 2²⁴

• 1023

• 2

Identify a,b, and c based on the quadratic formula.
2x²-3x+24=0

• a=2, b=-3, c=24

• a=2, b=3, c=24

• a=2, b=-3,c=-24

• a=2, b=3, c=-24

​x+y​​=0
3x−2y​​​=10​​
Which of the following ordered pairs (x,y) satisfies the system of equations above (CI)

• (3, -2)

• (2, -2)

• (-2, 2)

• (-2, -2)

Manon's statistics professor puts a bonus question on every test, which adds 0.25 points to a student's overall grade at the end of the term. The above equation gives Manon's current overall grade, T, after taking into account q extra credit questions answered correctly. What does the 87 mean in this equation?

• Manon must get an 87 or above to pass.

• Manon's average is an 87 before adding the extra credit.

• After adding in her extra credit, Manon's average is an 87.

• Manon's professor gave 87 opportunities for extra credit this term.