algebra 1
A line passes through (−2, 5) and is parallel to the line 4x − 2y = 7. This is its equation in standard form.
What is 4x-2y=-18?
A triangle has sides 10, 17, and 21. This is its area in exact form.
What is 84
The vertex of y = 2x² − 8x + 5 is this ordered pair.
What is (2, -3)?
find f(pi/2)
f(x) = -5cos2x + 10sin(x) - 5sin2x
what is 5
what is the derivative of ln(x^2)
what is 2/x
The system 3x + 2y = 11 and 5x − 8y = 7 has this ordered pair as its solution.
What is (3, 1)
In a circle with radius 6, a chord is 6 units from the center. This is the length of the chord.
If log₂(x − 1) + log₂(x + 3) = 3, this is the value of x.
What is -1+2√3?
evaluate the derivative of f(x) at x=pi2
14pi*sin(x1/2)
what is -7
If f(x) = x² − 4x + k has exactly one real solution, this is the value of k.
What is 4
The measure of each interior angle of a regular 12-gon is this.
What is 150 degrees?
The sum of the infinite geometric series 6 + 3 + 1.5 + … is this value.
What is 12?
The zeros of the quadratic 2x² − 7x + 3 are these exact values.
What are 3 and 0.5
Two similar triangles have a side ratio of 3:5. If the smaller triangle’s area is 27, this is the larger triangle’s area.
What is 75?
The complex solutions to x² + 4x + 13 = 0 are these exact values.
What is -2±3i?
If the average (mean) of five consecutive integers is 18, these are the five integers.
What are 16, 17, 18, 19, and 20
A right triangle has legs in the ratio 3:4 and a perimeter of 36. These are the side lengths.
What are 9, 12, and 15?
If f(x) = 3·2^x and g(x) = 12, this is the solution to f(x) = g(x).
What is 2?
find the slope of the line tangent to the graph of f(x)= y3+x2y-x3+3 at (2,1)
what is 8/7