Real Numbers
Solve Linear Equations
Linear Relationships
Solve Systems of Linear Equations
Scientific Notation
100
The decimal expansion of 4/9 is 0.4444... Is 4/9 rational or irrational?
What is Rational
100
Solve for x. 4x + 8 - 6x = 24 - 2x A. The equation has no solution. B. x = 0 C. The equation has infinitely many solutions. D. x = -4
What is A. The equation has no solution.
100
Currently, there are 65 of a certain endangered species in captivity. Zoologists hope to breed 4 more of the species annually. If x represents the number of years of breeding, which of the following equations could be used to find y, the total number of the species in captivity? A. y = 69x B. y + 65 = 4x C. y = 65x + 4 D. y = 4x + 65
What is D. y = 4x + 65
100
Jackie has $20 in her bank account and is saving $6 per week. Joe has $150 dollars in his bank account and is spending $4 per week. When will they have the same amount of money in their bank accounts? How much money will that be?
What is 13 weeks and $98
100
Enter the difference in standard notation. 8.3 × 10^3 - 6.31
What is 8293.69
200
The decimal expansion of 2/3 is 0.6666... Is 2/3 rational or irrational?
What is Rational
200
Solve for x. -32x + 20x = 4(-6 - 4x)
What is -6
200
A company manufactured 2,624 units of a new product. If they sell 41 units daily, which of the following equations represents y, the number of units left after x, the number of days the product is sold? A. y = 41 − 2,624x B. y = 2,624 − 41x C. y = 41 + 2,624x D. y = 2,624 + 41x
What is B. y = 2,624 − 41x
200
Solve for x and y. y = -2/3x + 4 y = 1/3x -2
What is (6,0)
200
Enter the sum in standard notation. 0.722 + 1.4 × 10^-2
What is 0.736
300
Convert the decimal to a fraction. 0.4
What is 4/10 or 2/5
300
Solve for x. -32x + 16x = 4(-9 - 5x)
What is -9
300
Currently, there are 63 of a certain endangered species in captivity. Zoologists hope to breed 5 more of the species annually. If x represents the number of years of breeding, which of the following equations could be used to find y, the total number of the species in captivity? A. y = 68x B. y = 5x + 63 C. 63y = 5x D. y = 63x + 5
What is B. y = 5x + 63
300
Solve for x and y. x + 6y=81 x + y =21
What is (-3, -4)
300
Enter the sum in standard notation. (2.1 × 10^3) + (7.98 × 10^2)
What is 2898
400
Convert the decimal to a fraction. 0.8 A. 4/5 B. 8/9 C. 1/8 D. 4/50
What is A. 4/5
400
Solve for x. 4.9x - 6.7 + 7x = 7.9x - 21.1
What is -3.6
400
Find the slope of the line containing the points (-5, 1) and (5, 7). A. 3/5 B. −5/3 C. 5/3 D. −3/5
What is A. 3/5
400
Is the line drawn through the points (-1, 4) and (4, 8) parallel or perpendicular to a line drawn through the points (-2, 6) and (2, -11)?
What is perpendicular
400
(8.4 × 10^5) + (5.12 × 10^3)
What is 845120
500
Convert the decimal to a fraction. 0.75 A. 3/40 B. 1/75 C. 3/4 D. 77/99
What is C. 3/4
500
Solve for x. 8(12 - 3x) = -192
What is 12
500
What is the slope of the line represented by the equation below? - 2y =-4x -12
What is 2
500
The difference between the tens digit and ones digit of a two-digit number is 4. The number is 45 greater than the number created when the digits are reversed. What is the two-digit number? A. The number does not exist. B. 51 C. 15 D. It could be any two-digit number
What is A. The number does not exist.
500
Enter the sum in standard notation. (6.7 × 10^3) + (6.85 × 10^2)
What is 7385
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