Do you change the sign in a inequalities if there is a negative number

Maria said the 4 in 400,000 has a value of 400 is maria correct explain

What is the vertex of y=x² - 8x + 14

Use the remainder theorem to find which of the following is not a factor of x^3+4x^2-25x-100 a. x-5 b. x+4 c. x+5 d. x-4

Jeff began deriving the quadratic formula. ax² + bx + c = 0 x2+bax+ca=0 What step should Jeff do next? Add b2a to each side. Take the square root of each side. Subtract ca from both sides. Subtract x² from each side.

Jason rolls a fair number cube labeled 1 through 6, and then he flips a coin. what is the probability that he rolls a 3 and flips a head? A. 1/18 B. 1/12 C. 1/8 D. 1/6

Write the product cos (2x) sin (5x) as a sum

Let x = 20 Which expression has a value greater than 43 - 10? 5x-30 8 (x - 10) 5 (2x-26) 5x - 100

Identify the two statements that contradict each other: A) Line FA || Line AC B) Line FA and AC are skew C) Line Fa and AC do not intersect

The difference of 9 times a number and 2 is 67. Which equation below can be used to find the unknown number?

We need to substitute these problem you can take first one to understand