SAT Practice Questions #1

• 2
• 4
• 9
• 10

• -1 + 12i
• -1 - 6i
• 15 + 12i
• 16 - 6i

On Saturday afternoon, Armand sent m text messages each hour for 5 hours, Tyrone sent p text messages each hour for 4 hours. Which of the following represents the total number of messages sent by Armand and Tyrone on Saturday afternoon?

• 9mp
• 20mp
• 5m + 4p
• 4m + 5p

Kathy is a repair technician for a phone company. Each week, she receives a batch of phones that need repairs. The number of phones that she has left to fix at the end of each day can be estimated with the equation  P = 108 - 23d
where P is the number of phones left and  d  is the number of days she has worked that week. What is the meaning of value 108 in this equation?

• Kathy will complete the repairs within 108 days.
• Kathy starts each week with 108 phones to fix.
• Kathy repairs phones at a rate of 108 per hour.
• Kathy repairs phones at a rate of 108 per day.

Subtract:
(x²y - 3y² + 5xy²) -
(-x²y + 3xy² - 3y²)

• 4x²y²
• 8xy² - 6y²
• 2x²y + 2xy²
• 2x²y + 8xy² - 6y²

h = 3a + 28.6
A pediatrician uses the model above to estimate the height h of a boy, in inches, in terms of the boy's age a, in years, between the ages of 2 and 5. Based on the model, what is the estimated increase, in inches, of a boy's height each year?

• 3
• 5.7
• 9.5
• 14.3

3x + 4y = -23
    2y - x = -19

• (-5, -2)
• (3, -8)
• (4, -6)
• (9, -6)

b = 2.35 + 0.25x
c = 1.75 + 0.40x
In the equations above, b and c represent the price per pound, in dollars, of beef and chicken, respectively, x weeks after July 1 during last summer. What was the price per pound of beef when it was equal to the price per pound of chicken?

• $2.60
• $2.85
• $2.95
• $3.35

If t > 0  and t² - 4 = 0, what is the value of t?

• 4
• 0
• 2
• -2

x + y = -9
x + 2y = -25
According to the system of equations above, what is the value of x?

• 7
• -7
• 16
• -16