The graph of a quadratic function does not cross the x-axis if the discriminant has negative value.
Answers:
C ) -25
D ) -7
Answer:
A and B ( page 12 and page 20 )
Step-by-step explanation:
1/4 of an hour he read 9 pages ( 15 mins ) ( 60 / 1 hour divided by 4 = 15 ) In other words 9 pages in 15 mins. To get to an hour u gotta multiply by 4. 15x4=60 9x4=36 ( 1 hour of reading is 36 pages read )
60 divided by 3 = 20
36 divided by 3 = 12 for sure it’s A and B
Answer:
71.6 °F
Step-by-step explanation:
The formula to find a Celsius temperature from Fahrenheit is: °F = (°C × 9/5) + 32. Insert 22 for °C and solve.
Answer:
The half z and 9 is 3.
Step-by-step explanation: