Week 4: SAT Math (Got through 1st 7 Questions)

If a = 5√2 and 2a = √2x, what is the value of x?

If a÷b = 2, what is the value of 4b ÷ a?

If y = kx, where k is a constant, and y = 24 when x = 6, what is the value of y when x = 5.

Which of the following numbers is NOT a solution of the inequality 3x - 5 ≥ 4x - 3 ?

For i = √-1, what is the sum (7+3i) + (-8 + 9i)?

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

3x + 4y = -23 and 2y-x = -19. What is the solution (x,y) to the system of equations?

Which of the following is equivalent to the expression: (x²y - 3y² + 5xy²) - (-x²y + 3xy²- 3y²)

For the function g(x)=ax²+24, a is a constant and g(4)=8. What is the value of g(-4)?

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

If 16 + 4x is 10 more than 14, what is the value of 8x?

Ted sent m texts per hr for 5 hrs, and Ty sent p texts per hr for 4hrs. Equation for total is?

If (x-1) ÷ 3 = k and k = 3, what is the value of x?

If 3x - y = 12, what is the value of 8^x ÷ 2^y?

Which is an equation of a circle with center (0,4) and a radius with endpoint (4/3 , 5 )?