Chapter 1
Replace the ___ with the correct symbol.
0 ___-|-(-4)|
0 > -4
What is the interval for x > 2
(2, infinity)
What quadrant is (-3, 2) in?
Quadrant II
Solve by substitution:
3x + y = 4
8x + 2y = 10
(1, 1)
The quarterback ran the ball three times in last Sunday’s football game. He gained 7 yards on one run but lost 3 yards and 8 yards on the other two. What was his total yardage running for the game?
-4
Simplify: -1 -2 -3 -4
-10
If 4 pizzas cost $21.00, then how much will 16 pizzas cost?
$84.00
Find the midpoint between the two points
(-1, 6) and ( -7, -2)
(-4, 2)
Solve by elimination:
2x + y = 7
3x - 2y = -7
(1, 5)
Determine the distance traveled given the rate and the time. [D=rt.] 75 miles per hour for 5 hours
375
What is twenty-five less than 10?
-15
Solve
5x + 7 = 32
5
Find the distance between (-5, 3) and (-1, 6).
5 units
Solve any method:
1/3 x - 2/3 y = 3
1/3 x - 1/2 y = 8/3
(5, -2)
What is 124 divided by 0?
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Calculate the product of 3 and -8 divided by -2
12
Solve
-4/5 y - 1/3 = 1/15
1/3
Determine the slope and y-intercept: 5x -2y = 6
Slope 5/2 and y-intercept -3
Solve: The sum of two integers is 54, and their difference is 10. Find the two integers.
22 and 32
Simplify: −16/(−2*2)*3
12
Simplify:
[(2*8-62)2 - 102] / [73 - (2(-5)3-7]
1/2
Calculate the simple interest earned on a 3-year investment of $750 at an annual interest rate of 8%.
$180
Find the equation of the line perpendicular to
-x +2y = 4 passing through ( 1/2, 5)
y = 5x +3
Solve: The sum of two integers is 74. The larger is 26 more than twice the smaller. Find the two integers.
16 and 58
A student earns 9, 8, 10, 7, and 6 points on the first five chemistry quizzes. What is her quiz average?
8