Math Class 9
Simplify:
(x - 3)(x - 5)
What is x2 - 8x + 15 ?
This term means "exactly the same in terms of shape, size, structure, measurements".
What is Congruency?
Solve for x:
x² + 5x + 6 = 0
What are x = -2 and x = -3?
Solve: 2√12 + √27
What is 7√3?
This value is, by definition, the smallest prime number.
What is 2?
Factor:
2y3 - 3y2 + 18y - 27
What is (y2 - 9)(y + 3)?
On a triangle, find angle A if angle B is twice the number of angle C, and Angle C is 50o.
What is 80o ?
Simplify:
√(72x³)
What is 6x√2x?
Here are the scores of 15 students on a recent math test:
62, 70, 75, 78, 80, 82, 85, 85, 88, 90, 92, 92, 95, 98, 100
What is the median score?
What is 85?
This value represents the sum of the first five prime numbers.
What is 28?
-2 + 3 + 5 + 7 + 11 = 28
Find the Domain:
(x2 - 3x + 18) = 0
What is the Domain:{-3, 6}?
The formula used to find any side of a triangle only if two sides of the triangle is given.
What is the pythagorean theorem?
Solve for x using the quadratic formula:
2x² + 5x - 3 = 0
What is the Domain{ 1/2, -3 }.
Given f(x) = 2x + 3 and g(x) = x² - 1, find f(g(x)).
What is 2x² + 1?
This number equals 44 plus 7, minus 23, times 10, divided by 2.
What is 140?
Simplify:
(12 / 2x)(42 / 4x2)
What is (8 / x2)?
2Billy was walking from his house until he reached the bus stop. Starting from his fence gate, he walked 18 meters toward the road intersection. Upon reaching the intersection, he made a 90 degree turn to the right and made his way to the bus stop. The distance from where he is to where he started is 30 meters. Find the area of the distance he covered.
What is 216 m2 ?
Solve for x:
log₂(x + 3) + log₂(x - 1) = 4
What is -1 + 2√5?
Find the exact value of sin(π/3).
What is √3/2?
Jake has 6 oranges, Brett has 4, Mikey has 2, and Drew has 8 for an average of this many oranges.
What is 5?
Find x if y is equal to 4.
[(y2 + 3y + 2) / (4x)] = 0
What is no solution?
Theoretically, name the number of triangles within a circle.
How many is infinity?
Simplify the expression:
(3 + 2i)² - (1 - i)(2 + 3i)
What is 11i?
Find the limit: lim (x→2) (x² - 4) / (x - 2)
What is 2?
If 5 chickens each lay an egg every Monday, Wednesday, and Friday only, it’ll take this many weeks to make a 30-egg omelet.
What is 2 Weeks (15 eggs per week)?